1.Our peg board locks stoppers can prevent the hook from falling off, providing you with a safe and reliable solution for organizing items on the hanging board 2.This rubber peg hook stoppers clips is made of high-quality silicone, with flame-retardant properties, the product is not prone to deformation and is to both high and low tepmeratures 3.Size:9/16inch( Dia ), 9/32inch ( Stud Length), 5/32inch (Hole Dia). Suitable for pegboard with 1/4inch-9/32inch aperture and the hook diameter of 1/8inch-5/32inch 4.Shelf pegs hook locks with many hanging boards for broad utility, suitable for a wide range of scenarios such as garages, workshops, and shops 5.100Pcs pegboard hook locks ( Hooks not included ). Abundant in quantity, it meets your Color: Black Material: Silicone Package Contents: 100Pcs x pegboard hook locks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.