Size DetailShelf pins fits all cabinets with 1/4 Inch holes.This set include 40 pcs L-shaped shelf bracket pins.L-shaped bracket diameter is 6.35mm/ 0.25 inch, pin length is 8 mm/ 0.30 inch, and the shelf rest is 19 mm/ 0.74 inch in length, 13mm/ 0.5 inch in width.(IMPORTANT: Shelf pin length 8mm/0.32inch,Please make sure the thickness of the cabinet will not lower than it.) More Safety Design"L" shaped design engages the side of the shelf, forcing the pins to remain in the holes. Small hole allows the use of a screw to permanently secure the shelf.The unique design keeps the pin firmly seated in the cabinet holes, eliminating the chance of tear-out. Durable MaterialGood quality steel and polished nickel, surface is smooth without burrs, will not easily rust and oxidized, Good quality and durable for long using life. Wide Applications6 mm nickel Shelf Pins install easily by hand,you can use them for cabinet, bookshelf, display cabinet, furniture, wardrobe, closet, cupboard, bookcase, pantry shelving, meet your daily needs.(Note: Kitchen shelf support, Please keep these small parts away from child.) Specification: Material: Nickel plated good quality steel L-shaped bracket diameter: 6.35 mm/ 0.25 inch L-shaped bracket pin length: 8 mm/ 0.3 inch L-shaped bracket shelf rest length: 19mm/ 0.74 inch L-shaped bracket width: 13mm/0.51 inch Color: Silver Package included:40 x L-shaped bracket supports