[Punk Tools Kit]270 Sets silver screwback studs rivets with matching studs metal screw back, comes with 2 pieces hole punch tools and Plastic Storage Box. [Sharp ]Spikes and Studs made of zinc , looks bright and sharp, has a strong visual impact, is not easy to fade or rust. It fits your project [Punk Style]12 different shape spikes are and fashionable, suitable for people who like the gothic or punk style. also suitable for cosplay practitioners, punk rock , and leathercraft . [Easy to Install] with 2 install tools, it screw back designed, just need to punch a hole and turn the screws in the opposite direction, and the cone spikes will become on the clothes and leather. [Wide Application]Cone spikes studs are perfect for art-making, leather crafts and clothes making, such as jackets, leather, shoes, belts, handbags, etc. It fully shows your and personality. Steps to use: 1. Place the puncher in the area where you need to be punched. 2. Hit puncher rear end with a hammer or other item. 3. Put the screw in the round hole, and tighten the top of the cover. 4. Finally the process is finished. Warm notes: Pointed items included, keep from kids and be careful when using . Colour: As shown : Metal Package Contents: 1 Set * Punk pointed rivets Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.