Skip to main content
FallHalloweenPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild 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 Braces
  10. /

  11. Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452

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

Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452

Shop all Prime-Line

  • Limited Time Deal

Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452

Item # 210088699

Prime-Line Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452
Prime-Line Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452
$22.49

Sale

Was$24.99

Save $2.50

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 Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452

Item # 210088699

Prime-Line Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452
Prime-Line Prime-Line Lock and Door Reinforcer, 1-3/8 in. x 2-3/4 in., Stainless Steel, MP9452

$22.49

Sale

Was$24.99

Save $2.50

financeCard Logo
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 8/9/26.

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
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

This lock and door reinforcer is constructed of stainless steel and fits 1-3/8 in. thick doors. This security device assists in preventing forced entry by reinforcing the weak spot of an entry door, and it can be used on both metal and wood doors. This item accommodates key-in knob locksets on doors that have a backset of 2-3/4 inches. These door reinforcers are easy to install and they are used by many. All installation fasteners are included with this item. This guard features a 2-1/8in bore, 2-3/4in backset, 1-3/8in door thickness, 3-7/8in width, 9in height.

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

  • Used to reinforce and repair doors to aid in preventing forced entry
  • Fits 1-3/8 in. thick doors with 2-3/4 in. backsets
  • Stainless steel finish
  • Stainless steel construction
  • Installation fasteners included
BrandPrime-Line
Country of OriginImported
Maximum Force Withstanded0 N/A
Mount TypeDoor Mount
Package Quantity1
Primary ColorGray
Primary MaterialStainless Steel
Product Height0 N/A
Product Length0 N/A
Product Weight0.715 lb.
Product Width0 N/A
WarrantyGoods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse.
Manufacturer Part NumberMP9452
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. Top Rated
    Prime-Line Lock & Door Reinforcer, 1-3/8 in. x 2-3/8 in., Stainless Steel, MP9450
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line Lock & Door Reinforcer, 1-3/8 in. x 2-3/8 in., Stainless Steel, MP9450

    $22.49
    Was $24.99Save $2.50
  2. Prime-Line Lock and Door Reinforcer, 1-3/4 in. x 2-3/4 in., Stainless Steel, MP9457
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Lock and Door Reinforcer, 1-3/4 in. x 2-3/4 in., Stainless Steel, MP9457

    $15.29
    Was $16.99Save $1.70
  3. Top Rated
    Prime-Line Lock and Door Reinforcer, 2-1/8 in. x 2-3/8 in. x 1-3/8 in., Solid Brass, Recessed, MP9543
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line Lock and Door Reinforcer, 2-1/8 in. x 2-3/8 in. x 1-3/8 in., Solid Brass, Recessed, MP9543

    $16.19
    Was $17.99Save $1.80
  4. Top Rated
    Prime-Line Lock and Door Reinforcer, 2-1/8 x 2-3/8 x 1-3/8in., Stainless Steel, MP10852
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line Lock and Door Reinforcer, 2-1/8 x 2-3/8 x 1-3/8in., Stainless Steel, MP10852

    $15.29
    Was $16.99Save $1.70
  5. Top Rated
    Prime-Line 2-1/8 in. x 2-3/4 in. x 1-3/4 in. Stainless Steel Recessed Lock and Door Reinforcer
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Prime-Line 2-1/8 in. x 2-3/4 in. x 1-3/4 in. Stainless Steel Recessed Lock and Door Reinforcer

    $14.39
    Was $15.99Save $1.60
  6. 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
  7. Sabre Door Security Bar
    4.6 out of 5 stars with 116 reviews
    4.6 (116)

    Sabre Door Security Bar

    $24.99
  8. Prime-Line 6 in. Gray Steel In-Swinging Latch Guard
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 6 in. Gray Steel In-Swinging Latch Guard

    $8.99
  9. Master Lock Folding Door Security Bar
    4.5 out of 5 stars with 27 reviews
    4.5 (27)

    Master Lock Folding Door Security Bar

    $29.99
  10. Prime-Line 1 in. Black Rubber Sliding Door Bumper, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1 in. Black Rubber Sliding Door Bumper, 2-Pack

    $9.99
  11. Prime-Line Mega-Jamb Reinforcing Plate ONLY 48 in. for 1-3/4 in., Door White
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Mega-Jamb Reinforcing Plate ONLY 48 in. for 1-3/4 in., Door White

    $71.99
    Was $79.99Save $8.00
  12. Prime-Line Back Plate, 3-1/2 in. Classic Bronze, 2 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Back Plate, 3-1/2 in. Classic Bronze, 2 pk.

    $8.99

Items You May Like

  1. Prime-Line Brass Security Strike, 1-1/8 in. x 5-7/8 in., U 9535
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Security Strike, 1-1/8 in. x 5-7/8 in., U 9535

    $7.99
  2. 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
  3. 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
  4. Prime-Line 1-3/4 in. Thick Stainless Steel Door Edge Reinforcer, U 9976
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1-3/4 in. Thick Stainless Steel Door Edge Reinforcer, U 9976

    $10.79
    Was $11.99Save $1.20
  5. Prime-Line Aluminum Latch Bolt Guard Plate, U 9481
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Aluminum Latch Bolt Guard Plate, U 9481

    $10.79
    Was $11.99Save $1.20
  6. Prime-Line Maximum Security Latch Strike, 1-1/4 in. x 7-7/8 in., Steel, Chrome Plated, U 9476
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Maximum Security Latch Strike, 1-1/4 in. x 7-7/8 in., Steel, Chrome Plated, U 9476

    $8.99
  7. Prime-Line Maximum Security Deadbolt Strike 1-1/8 x 5-7/8 in. with Screws Satin Nickel Finish (Single Pack)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Maximum Security Deadbolt Strike 1-1/8 x 5-7/8 in. with Screws Satin Nickel Finish (Single Pack)

    $6.99
  8. Prime-Line Surface Bolt, 4 in., Solid Brass, Matte Black Finish, 1 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Surface Bolt, 4 in., Solid Brass, Matte Black Finish, 1 pk.

    $13.49
    Was $14.99Save $1.50
  9. Prime-Line Latch Guard In-Swinging, 6 in., Gray Steel, MP9511
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Latch Guard In-Swinging, 6 in., Gray Steel, MP9511

    $10.79
    Was $11.99Save $1.20
  10. Prime-Line Back Plate, 3-1/2 in. Satin Nickel US15, 2 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Back Plate, 3-1/2 in. Satin Nickel US15, 2 pk.
  11. Prime-Line Sliding Glass Door Bumper, 2-5/8 in., Heavy Duty Rubber, Black, 2 pk., MP1569
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Sliding Glass Door Bumper, 2-5/8 in., Heavy Duty Rubber, Black, 2 pk., MP1569

    $9.99
  12. Top Rated
    Prime-Line 48 in., White Aluminum, Sliding Door Security Bar Lock, S 4220
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line 48 in., White Aluminum, Sliding Door Security Bar Lock, S 4220

    $22.49
    Was $24.99Save $2.50

Customers Also Bought

  1. E-Z LOK Thread Repair Kit for Metal - Standard - 5/16-24 x 1D
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    E-Z LOK Thread Repair Kit for Metal - Standard - 5/16-24 x 1D

    $35.99
    Was $39.99Save $4.00
  2. Hillman 1/4 in.-20 x 1-1/4 in. Phillips Pan-Head Stainless Machine Screws, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman 1/4 in.-20 x 1-1/4 in. Phillips Pan-Head Stainless Machine Screws, 2-Pack

    $3.29
  3. Hillman Phosphate External Retaining Rings, 1/2 in., 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Phosphate External Retaining Rings, 1/2 in., 2-Pack

    $1.29
  4. Hillman Hardware Essentials 1 in. x 1/2 in. Corner Brace, Black, 4-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 1 in. x 1/2 in. Corner Brace, Black, 4-Pack

    $7.79
  5. 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
  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 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel (Single Pack), U 10546
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel (Single Pack), U 10546

    $22.49
    Was $24.99Save $2.50
  8. Prime-Line Bi-Fold Door Corner Repair Bracket, 1-3/8 in., Steel, Zinc Plated, 2 pk., MP7195
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Bi-Fold Door Corner Repair Bracket, 1-3/8 in., Steel, Zinc Plated, 2 pk., MP7195

    $8.99
  9. Prime-Line Door Stop Bumper with Door Retainer on Pivoting Arm, Tan, Fits 1-3/4 in. Thick Doors (Single Pack)
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Door Stop Bumper with Door Retainer on Pivoting Arm, Tan, Fits 1-3/4 in. Thick Doors (Single Pack)

    $7.99
  10. Deck the Door Decor 30 in. x 8 in. Nickel Door Kick Plate, Anodized Aluminum, Adhesive Mount
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Deck the Door Decor 30 in. x 8 in. Nickel Door Kick Plate, Anodized Aluminum, Adhesive Mount

    $80.99
    Was $89.99Save $9.00
  11. Deck the Door Decor 32 in. x 8 in. Nickel Door Kick Plate, Anodized Aluminum, Adhesive Mount
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Deck the Door Decor 32 in. x 8 in. Nickel Door Kick Plate, Anodized Aluminum, Adhesive Mount

    $80.99
    Was $89.99Save $9.00
  12. Deck the Door Decor Dog Scratch Door Protection Plate - Adhesive Mount, NIC-DSP-ADH-630
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Deck the Door Decor Dog Scratch Door Protection Plate - Adhesive Mount, NIC-DSP-ADH-630

    $98.99
    Was $109.99Save $11.00

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.