Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Home Improvement
  4. /
  5. Hardware
  6. /
  7. Doors & Door Hardware
  8. /
  9. Door Knobs
  10. /

  11. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537

  1. Home
  2. /
  4. /
  5. Door Knobs

Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537

Shop all Prime-Line

  • Limited Time Deal

Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537

Item # 209950399

Prime-Line Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537
Prime-Line Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537
$35.99

Sale

Was$39.99

Save $4.00 (10%)

Notice:
This Item cannot be shipped to AK, HI.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Prime-Line

  • Limited Time Deal

Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537

Item # 209950399

Prime-Line Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537
Prime-Line Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537
$35.99

Sale

Was$39.99

Save $4.00 (10%)

This item is available online only

Out of stock delivering to

37027

​
Notice:
This Item cannot be shipped to AK, HI.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Defender Security U 9537 Brass Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of an entry door. It can be used to reinforce and repair both metal and wood doors. Made of solid brass construction, the lock reinforcer plate comes finished in brass. All the necessary mounting hardware is included for a quick and easy installation. The lock reinforcement plate is pre-punched for mounting. The reinforcer is designed for 1-3/8 inch thick doors that have mortise or drive-in latches. It features two 2-1/8 inch bores that are 5-1/2 inch on center, with 2-3/8 inch backsets. The door reinforcer is non-recessed. Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal).

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

  • ADDED SECURITY Prevent forced entry by reinforcing the weak spot of an entry door with the non-recessed door lock reinforcer; use to reinforce and repair both metal and wood doors
  • BUILT TO LAST Made of solid brass construction, the door lock reinforcement plate comes in a brass finish to fit over a two bore holes on your door
  • EASY INSTALLATION All the necessary mounting hardware is included with the lock reinforcement plate for a quick and easy installation; the door reinforcer plate is pre-punched for mounting
  • DIMENSIONS The door lock reinforcement plate is designed for 1-3/8 inch thick doors; it features two 2-1/8 inch bores that are 5-1/2 inch on center with 2-3/8 inch backsets
  • NOTE - Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal)
BrandPrime-Line
Country of OriginImported
ANSI Security GradeNo grade
Door HandingReversible
FeaturesNone
FinishPolished
Indoor/OutdoorIndoor and Outdoor
Knob Bore Hole Diameter2.125 in.
Knob Cross Bore Diameter0 in.
Knob Diameter0 in.
Knob Housing Height0 in.
Knob Housing Width0 in.
Knob Strike Height0 in.
Knob Strike StyleOther
Knob Strike Width1.75 in.
Knob Throw Length0 in.
Knob TypeKnob and Deadbolt Combo
Knob UsageOther
Maximum Door Thickness1.75 in.
Minimum Door Thickness1.75 in.
Number of Keys Included0
Number Of Pins0
Package Quantity1
Primary ColorYellow
Primary MaterialBrass
Product Height10.875 in.
Product Length10.875 in.
Product Weight0.96 lb.
Product Width1.75 in.
Projection0.0625 in.
Warranty1 year limited
Manufacturer Part NumberU 9537
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9559
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9559

    $22.49
    Was $24.99Save $2.50
  2. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Antique Brass Finish (Single Pack), U 9572
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Antique Brass Finish (Single Pack), U 9572

    $22.49
    Was $24.99Save $2.50
  3. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Brass Finish (Single Pack), U 9569
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Brass Finish (Single Pack), U 9569

    $35.99
    Was $39.99Save $4.00
  4. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9553
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9553

    $26.99
    Was $29.99Save $3.00
  5. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9552
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9552

    $31.49
    Was $34.99Save $3.50
  6. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10750
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10750

    $40.49
    Was $44.99Save $4.50
  7. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 in. Thick Doors, Bronze Finish (Single Pack), U 10744
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 in. Thick Doors, Bronze Finish (Single Pack), U 10744

    $22.49
    Was $24.99Save $2.50
  8. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9588
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9588

    $19.99
  9. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

    $17.09
    Was $18.99Save $1.90
  10. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589

    $19.99
  11. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9554
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9554

    $22.49
    Was $24.99Save $2.50
  12. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10745
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10745

    $22.49
    Was $24.99Save $2.50

Items You May Like

  1. Prime-Line Stainless Steel Lock & Door Reinforcer, 1-3/4 x 4-1/2 In., 2-1/8 In. Single Bore, 2-3/4 In. Backset, (Single), U 9592
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcer, 1-3/4 x 4-1/2 In., 2-1/8 In. Single Bore, 2-3/4 In. Backset, (Single), U 9592

    $26.99
    Was $29.99Save $3.00
  2. Prime-Line 3-1/2 in. Antique Brass Plated Back Plate, U 9498
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3-1/2 in. Antique Brass Plated Back Plate, U 9498

    $8.99
  3. Prime-Line Sliding Glass Door Wood Pull Handle
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Sliding Glass Door Wood Pull Handle

    $17.09
    Was $18.99Save $1.90
  4. Prime-Line White Sliding Screen Door Pull, Fits Andersen
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    Prime-Line White Sliding Screen Door Pull, Fits Andersen

    $10.99
  5. Prime-Line Sliding Glass Door Handle Set, 3-1/2 in.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Sliding Glass Door Handle Set, 3-1/2 in.

    $22.49
    Was $24.99Save $2.50
  6. Prime-Line 1-1/8 in. x 2-1/4 in. Brass Plated Door Filler Plate, U 9497
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1-1/8 in. x 2-1/4 in. Brass Plated Door Filler Plate, U 9497

    $6.99
  7. Prime-Line 7/16 in. Screen Clips with Screws, 12 pk., PL 7737
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 7/16 in. Screen Clips with Screws, 12 pk., PL 7737

    $10.99
  8. Top Rated
    Prime-Line 4-3/16 in., Black Plastic, Sliding Screen Door Handle, Fits Bay Mills Doors, A 215
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line 4-3/16 in., Black Plastic, Sliding Screen Door Handle, Fits Bay Mills Doors, A 215

    $15.29
    Was $16.99Save $1.70
  9. Prime-Line 3-1/2 in. Replacement Spindle, 10 pk., E 2434
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3-1/2 in. Replacement Spindle, 10 pk., E 2434

    $14.99
  10. Prime-Line Standard Latch Strike, 1-5/8 in., Steel, Brass Plated Finish, 2 pk., MP2232-2
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Standard Latch Strike, 1-5/8 in., Steel, Brass Plated Finish, 2 pk., MP2232-2

    $6.99
  11. Prime-Line Door Hole Cover Plate, 2-5/8 in. Diameter, Brass Plated, U 9516
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Door Hole Cover Plate, 2-5/8 in. Diameter, Brass Plated, U 9516

    $7.99
  12. Top Rated
    Prime-Line 4 in. x 16 in. Satin Aluminum Round Handle Door Pull and Plate
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line 4 in. x 16 in. Satin Aluminum Round Handle Door Pull and Plate

    $22.49
    Was $24.99Save $2.50

Customers Also Bought

  1. Prime-Line 1/2 in. Thick Door Sliding Screen Door Handle, for Columbia Series Doors, A 218
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/2 in. Thick Door Sliding Screen Door Handle, for Columbia Series Doors, A 218

    $12.99
  2. Prime-Line Vintage Style Door Knobs with Brass Plated Finish, 2-1/4 in. Outside Diameter 1 Set, E 2280
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Vintage Style Door Knobs with Brass Plated Finish, 2-1/4 in. Outside Diameter 1 Set, E 2280

    $10.79
    Was $11.99Save $1.20
  3. Grip Tight Tools Solid Brass Entry Lock Set Door Knob & Deadbolt with 24 SC1 Keys, 4 pk., Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Solid Brass Entry Lock Set Door Knob & Deadbolt with 24 SC1 Keys, 4 pk., Keyed Alike

    $103.49
    Was $114.99Save $11.50
  4. Grip Tight Tools Antique Brass Entry Lock Set Door Knob & Deadbolt with 24 SC1 Keys, 4 pk., Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Antique Brass Entry Lock Set Door Knob & Deadbolt with 24 SC1 Keys, 4 pk., Keyed Alike

    $107.99
    Was $119.99Save $12.00
  5. Grip Tight Tools Antique Brass Entry Lock Set Door Knob & Deadbolt with 36 KW1 Keys, 6 pk., Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Antique Brass Entry Lock Set Door Knob & Deadbolt with 36 KW1 Keys, 6 pk., Keyed Alike

    $170.99
    Was $189.99Save $19.00
  6. Grip Tight Tools Antique Brass Entry Lock Set Door Knob & Deadbolt with 36 SC1 Keys, (6 pk., Keyed Alike)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Antique Brass Entry Lock Set Door Knob & Deadbolt with 36 SC1 Keys, (6 pk., Keyed Alike)

    $161.99
    Was $179.99Save $18.00
  7. Prime-Line Black Plastic Screen Door Latch and Pull with Security Lock, for Anjac Doors, A 108
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Black Plastic Screen Door Latch and Pull with Security Lock, for Anjac Doors, A 108

    $10.99
  8. Grip Tight Tools Antique Brass Entry Door Knob Combo Lock Set with Deadbolt and 6 KW1 Keys, Boxed Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Antique Brass Entry Door Knob Combo Lock Set with Deadbolt and 6 KW1 Keys, Boxed Keyed Alike

    $28.79
    Was $31.99Save $3.20
  9. Grip Tight Tools Solid Brass Entry Lock Set Door Knob & Deadbolt with 72 SC1 Keys, 12 pk., Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Solid Brass Entry Lock Set Door Knob & Deadbolt with 72 SC1 Keys, 12 pk., Keyed Alike

    $310.49
    Was $344.99Save $34.50
  10. Prime-Line Bi-Fold Door Knob, 1-11/16 in. Outside Diameter, Diecast, Brass Plated, N 7369
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Bi-Fold Door Knob, 1-11/16 in. Outside Diameter, Diecast, Brass Plated, N 7369

    $9.99
  11. Prime-Line 3 in. Solid Brass Floor Door Stop
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3 in. Solid Brass Floor Door Stop

    $24.99
  12. Grip Tight Tools Solid Brass Entry Lock Set Door Knob & Deadbolt with 18 KW1 Keys, 3 pk., Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Solid Brass Entry Lock Set Door Knob & Deadbolt with 18 KW1 Keys, 3 pk., Keyed Alike

    $53.99
    Was $59.99Save $6.00

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.