Our rivets and studs are made of free copper, rustproof and durable,not easy to bend, deform and fade,strong and sturdy. The surface is smooth and 't scratch your hands. Our tubular rivets are good for repairing broken belt, leather craft, DIY clothes, , leather boots, bags, jeans, hats, jackets, pet collars, adding ornaments and so on. Double cap rivets have 3 sizes: 6x6mm; 8x8mm; 8x12mm. 3 colors: Gold, Silver, Green Bronze, which can cater to your different needs in . Studs for clothing: please make your fabric is not thicker than the rivet size. Just need punch a hole and screw on. It's easy to add your favorite rivets elements to your . The box is compact and easy to carry, all rivets and are neatly placed in a transparent box. 300 sets leather working and supplies come with 4 fixing : 1 punch, 1 rivet installer, 1 , 1 punching pliers. Colour:Gold + Silver + Bronze Material:iron Package Contents: 1 set x rivet press Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.