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 / EnrollGet rewarded!
​
Halloween
Pet
Lawn & Garden
Truck & Automotive
Sporting Goods
Horse
Farm & Ranch
Clothing
Livestock
Pet & Animal Pharmacy
Tools
Poultry
Fencing & Gates
Home Improvement
Outdoor Living
Heating & Cooling
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. Fasteners
  8. /
  9. Braces & Brackets
  10. /
  11. Shelf Brackets
  12. /

  13. Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142

  1. Home
  2. /
  4. /
  5. Shelf Brackets

Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142

Shop all Prime-Line

  • Online Only

Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142

Item # 2100541

Prime-Line Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142
Prime-Line Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142
$9.99

Spend $49.99 to unlock free delivery!

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

  • Online Only

Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142

Item # 2100541

Prime-Line Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142
Prime-Line Prime-Line Shelf Support Peg, 5 Mm., White Plastic, 12 pk., U 10142

$9.99

Spend $49.99 to unlock free delivery!

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

These shelf support pegs by Prime-Line Products are constructed from heavy-duty plastic and come white in color. These types of shelf support pegs are commonly used in bookcases, stereo and storage cabinets to support adjustable glass and wood shelving at up to 25 lbs. per support peg. These shelf support pegs feature a 1/4 in. peg diameter and they are easy to install. Use pliers to remove any stubborn/stuck pegs. Avoid using levels where hole's diameter has been widened.

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

  • Constructed of durable plastic to allow for safe loads
  • These shelf support pegs come white in color to match and blend best in cabinets
  • Designed for use in cabinets of various types
  • Feature diagonal support member beneath seat for greater support
  • Easy to install with only a few simple tools
BrandPrime-Line
Country of OriginImported
FinishWhite
Maximum Weight Capacity5 lb.
Mounting Hole Diameter5 mm
Number Of Mounting Holes1
Package Quantity12
Primary ColorWhite
Primary MaterialPlastic
Product Height0.25 in.
Product Length0.375 in.
Product Weight0.015 lb.
Product Width0.421875 in.
Manufacturer Part NumberU 10142
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 Shelf Support Peg, 1/4 in. Diameter, White Plastic, 8 pk., U 10138
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Support Peg, 1/4 in. Diameter, White Plastic, 8 pk., U 10138

    $6.99
  2. Prime-Line Shelf Support Peg, Self-Locking, 5mm., 5/8 in. Clear, 4 pk., U 9393
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Support Peg, Self-Locking, 5mm., 5/8 in. Clear, 4 pk., U 9393

    $9.99
  3. Prime-Line 1/4 in. Spoon Style Shelf Support Peg, 12 pk., U 9256
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/4 in. Spoon Style Shelf Support Peg, 12 pk., U 9256

    $10.99
  4. Prime-Line 1/4 in. Clear Plastic, Shelf Support Peg, 8 pk., U 10136
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/4 in. Clear Plastic, Shelf Support Peg, 8 pk., U 10136

    $6.99
  5. Prime-Line Shelf Support Peg, 5Mm, Steel Construction, Nickel Plated, 8 pk., U 10166
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Support Peg, 5Mm, Steel Construction, Nickel Plated, 8 pk., U 10166

    $6.99
  6. Hillman Hardware Essentials 8 in. x 10 in. White Shelf Bracket
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 8 in. x 10 in. White Shelf Bracket

    $4.49
  7. Prime-Line Shelf Support Peg, 5mm, Steel, Nickel Plated, 8 pk., U 10171
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Support Peg, 5mm, Steel, Nickel Plated, 8 pk., U 10171

    $10.99
  8. Prime-Line Self-Locking Shelf Support Peg, 1/4 x 1/2in. Clear, 4 pk., U 11299
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Self-Locking Shelf Support Peg, 1/4 x 1/2in. Clear, 4 pk., U 11299

    $10.99
  9. Prime-Line 3 Mm., Clear Plastic and Steel Peg, Shelf Support Peg, 8 pk., U 10156
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3 Mm., Clear Plastic and Steel Peg, Shelf Support Peg, 8 pk., U 10156

    $6.99
  10. Top Rated
    Prime-Line 1/4 in., Brown Plastic, 1/2 in. Shelf Support Peg (8 Pack)., U 9255N
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line 1/4 in., Brown Plastic, 1/2 in. Shelf Support Peg (8 Pack)., U 9255N

    $9.99
  11. Prime-Line Self-Locking Shelf Support Pegs, 5mm., Peg x 3/4 in. Shelf, Plastic, 4 pk., U 11301
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Self-Locking Shelf Support Pegs, 5mm., Peg x 3/4 in. Shelf, Plastic, 4 pk., U 11301

    $10.99
  12. Prime-Line Shelf Support Pegs, 5 Mm. Diameter, Plastic, Brown, 8 pk., EP 9381
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Support Pegs, 5 Mm. Diameter, Plastic, Brown, 8 pk., EP 9381

    $7.99

Items You May Like

  1. Prime-Line Heavy Duty Bi-Fold Door Bracket, N 6836
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Heavy Duty Bi-Fold Door Bracket, N 6836

    $9.99
  2. Prime-Line 1/4 in. Clear Plastic 5 lb. Shelf Peg, 8 pk., U 10144
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/4 in. Clear Plastic 5 lb. Shelf Peg, 8 pk., U 10144

    $9.99
  3. Prime-Line Shelf Peg Hole Plugs, 1/4 in., Plastic, White, Push-In 48 pk., U 10039
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Peg Hole Plugs, 1/4 in., Plastic, White, Push-In 48 pk., U 10039

    $13.99
  4. Prime-Line 1/4 in. Nickel-Plated Glass Shelf-Support Peg, 8 pk., U 10163
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/4 in. Nickel-Plated Glass Shelf-Support Peg, 8 pk., U 10163

    $10.99
  5. Prime-Line 20 lb. 1/4 in. Brass-Plated Steel L-Shelf Support Pegs, 8 pk., U 10168
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 20 lb. 1/4 in. Brass-Plated Steel L-Shelf Support Pegs, 8 pk., U 10168

    $10.99
  6. Starby Billfish Shelf Bracket Set, SB-BILLFISH-8
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Billfish Shelf Bracket Set, SB-BILLFISH-8

    $85.49
    Was $94.99Save $9.50
  7. Tie Down Black 6 in. L-Shelf Bracket, 4 pk. with Hardware
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Tie Down Black 6 in. L-Shelf Bracket, 4 pk. with Hardware

    $23.39
    Was $25.99Save $2.60
  8. Starby Black Sullivan Steel Shelf Bracket Set
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Black Sullivan Steel Shelf Bracket Set

    $116.99
    Was $129.99Save $13.00
  9. Hillman Hardware Essentials 12 in. x 14 in. White Shelf Bracket
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 12 in. x 14 in. White Shelf Bracket

    $5.99
  10. Prime-Line 5 mm Brass-Plated Steel Shelf Pins, 8 pk., U 10165
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 5 mm Brass-Plated Steel Shelf Pins, 8 pk., U 10165

    $9.99
  11. Prime-Line 5 lb. 5 mm Clear Plastic Shelf Support Pegs, 8 pk., U 10147
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 5 lb. 5 mm Clear Plastic Shelf Support Pegs, 8 pk., U 10147

    $10.99
  12. Hillman Hardware Essentials 10 in. x 12 in. White Shelf Bracket, 852020
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 10 in. x 12 in. White Shelf Bracket, 852020

    $5.99

Customers Also Bought

  1. Prime-Line Self-Locking Shelf Support Pegs, 1/4 Peg x 3/4 in. Shelf, Plastic, 4 pk., U 9398N
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Self-Locking Shelf Support Pegs, 1/4 Peg x 3/4 in. Shelf, Plastic, 4 pk., U 9398N

    $9.99
  2. Prime-Line Shelf Support Pegs 1/2 in. Width x 1 in. Length x 1/4 in. Diameter Plastic Light Brown, 50 pk., MP9001
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Shelf Support Pegs 1/2 in. Width x 1 in. Length x 1/4 in. Diameter Plastic Light Brown, 50 pk., MP9001

    $10.99
  3. Top Rated
    Hillman Hardware Essentials 8 in. x 10 in. Gray Shelf Bracket
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Hillman Hardware Essentials 8 in. x 10 in. Gray Shelf Bracket

    $4.49
  4. Hillman Hardware Essentials 12 in. x 8.25 in. White Shelf Bracket
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 12 in. x 8.25 in. White Shelf Bracket

    $23.99
  5. Hillman Hardware Essentials 6 in. x 8 in. Gray Shelf Bracket
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 6 in. x 8 in. Gray Shelf Bracket

    $4.29
  6. Starby Black Sullivan Steel Shelf Bracket Set
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Black Sullivan Steel Shelf Bracket Set

    $85.49
    Was $94.99Save $9.50
  7. Hillman Hardware Essentials 10 in. x 12 in. White Shelf Bracket, 852017
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman Hardware Essentials 10 in. x 12 in. White Shelf Bracket, 852017

    $4.79
  8. Starby Charleston Shelf Bracket Set, SB-CHARLESTON-8
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Charleston Shelf Bracket Set, SB-CHARLESTON-8

    $85.49
    Was $94.99Save $9.50
  9. Starby Lucca Steel Shelf Bracket Set, SB-LUCCA-12
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Lucca Steel Shelf Bracket Set, SB-LUCCA-12

    $116.99
    Was $129.99Save $13.00
  10. Starby Jetstream Steel Shelf Bracket Set, SB-JETSTREAM-10-2
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Jetstream Steel Shelf Bracket Set, SB-JETSTREAM-10-2

    $53.99
    Was $59.99Save $6.00
  11. Starby Madeira Heavy Duty Shelf Bracket Set, SB-MADEIRA-12
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Madeira Heavy Duty Shelf Bracket Set, SB-MADEIRA-12

    $116.99
    Was $129.99Save $13.00
  12. Starby Rockville Heavy Duty Shelf Bracket Set, SB-ROCKVILLE-8
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Starby Rockville Heavy Duty Shelf Bracket Set, SB-ROCKVILLE-8

    $85.49
    Was $94.99Save $9.50

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.