Check the listing for details. Hole Plugs Black Plastic 10mm Snap in Hole Tube Fastener Cover Flush Type 100Pcs. Condition: New. Listed at 13.51 USD. Features:1. 10mm 3/8 inch black hole plugs are plastic hole plugs to cover, and decorate holes.2. Can be using in fill the holes, keep the panel flat.3. No special tools are required. Just a push fit, is easy to install.4. Fits 3/8 inch diameter holes in cabinets, furniture, window frames, vinyl fences and elsewhere. 5. Home furniture fastener. For filling up a preparatory hole or the excess plug.Note：The key to selecting the size of the hole plug is the diameter of the small end rod, which is generally 0.5-1mm smaller than the diameter of the mounting hole. Specification:Panel Hole Diameter: 10mm / 3/8" (0.39")Cap Diameter: 13mm / 1/2" (0.5")Height: 10.5mm / 7/16" (0.41")Material: Plastic; Color: Black Package Included:100(+/-2%) x Hole Plugs.