【You will receive】200sets metal cone spikes with screw. Size: 0.28inch x 0.39inch (7 x 9.5mm) 【High quality material】 These cone spikes are made of high quality alloy with nickel plated surface, clear grain, smooth and burr-free.screws not easy to slip during rotation, even force and good tightening strength. 【Easy to use】Coming with a hole puncher and screw driver, Just Need Punch a Hole and Screw on. Easy for you to install. 【Widely used】 These cone spikes are suitable for DIY various craft decoration, as a fixed or decorative items used. For example: belt, bag, clothing, key bag nails, Shoes, Dog Collarsetc. 【Note】When installing, the hole please do not exceed 3mm, if the hole is too large, it is easy to cause the screw to fall off. black spikes for crafts crocs cone spikes studs for clothing cone spikes pins metal studs for clothing spikes screw on spikes jacket studs