Stable for Long Time Use: these studs for clothing are made of Metal, sturdy and , not easy to wear and tear, and not easy to scratch your hands or clothes, and also not easy to rust, without staining on your clothes, serving you for a long timeVarious Sizes to Meet Your Need: there are 5 sizes of spikes for crafts, dividing into about 9 x 6 mm/ 0.35 x 0.24 inch, 6 x 12 mm/ 0.24 x 0.47 inch, 7 x 10 mm/ 0.28 x 0.39 inch, 7 x 21 mm/ 0.28 x 0.83 inch and 10 x 24 mm/ 0.39 x 0.94 inches, multiple sizes can meet your different needs for kinds of leather craft DIY projectsEnough to DIY Joy: the package comes with 150 pieces of rivets for fabric with studs in 5 different styles, such as short cone style, long cone style and paw style and others, you can combine according to your preferences, to your own style of punk suit; Besides, we also the matching hole drilling tool and screwdriver for your installation during DIY, allowing you to enjoy easy and pleasant DIY joyConvenient to Use: these spikes for leather are easy and simple to use, just use the matching drilling tool to punch a hole of about 3 mm, then placing these screws and rivets, tightening with a screwdriver, they will your , making you cool and stylishMulti for Crafts Making: the craft spikes are practical and decorative, suitable for decorating your clothing, bag, shoes, belts, jackets, dog collars, jeans, costumes and more, also Perfect for DIY handmade crafts like handbags, hats and moreMaterial:Metalcolour:SilverPackage Contents:150 * studs1 * Screwdriver1 * Hole punch toolOnly the above package content, other products are not included.Note: Light 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.