2 Different size rivetssmallcap dia 6mm, the post of length 4mm, base 6mm; Medium: cap dia 8 mm, the post of length 6mm, base 8 mm Double cap rivets set: includes 120 set rivets and comes with 3 fixing tools; The rivets are in 2 sizes and 2 colors, 30 sets for each color and each size Storage box: all rivets comes with a clear plastic storage box and some small removable planks, which allows you to gather more small objects and store them in order Metal leather rivets: these copper leather rivets fit for jackets, belts, backpacks, hats, wallet, shoes or jeans, denim pants, watch wristband, leather craft, DIY craft, etc. Button rivets are made of copper, its rust proof and used as rapid rivets for clothing; 3 USEFUL FIXING TOOLS: 1 punch tool +1 rivet setter +1 anvil,can fix rivet and prevent rivet sliding or bending from knock Features Double caps: Double cap rivets kit: both sides of rivets have a cap, which make positive usage and appearance, and better than single cap rivets Fixing tool kit: The punch tool can poke a hole on the leather craft, leather straps, clothing, then hammer it to push the rivets together, good replacement to add ornaments to your crafts Good material: The leather rivets are made of sturdy and durable copper with good quality, they can be applied for a long time, good for repairing broken belt and decorating your crafts Specification: Material: sturdy and durable copper Double cap rivets color: silver, and bronze Rivet size: cap dia 8 mm/6mm, the post of length: 4mm/6mm, base:8mm/6mm Each set of rivet includes 2 parts: a cap and a stud Package includes: 30sets 8*6bronze rivets(cap dia* post length) 30sets 8*6silver rivets(cap dia* post length) 30sets 6*4bronze rivets(cap dia* post length) 30sets 6*4silver rivets(cap dia* post length) 3 x Fixing tools 1 x Storage box Note: (a)How to choose the post length: Add 2-3mm to the total thickness of the bound material (b)The length of the post should only include the post itself, not the thickness of the head (c)Remove the base and directly hammer it on the floor if the rivet bents when you hammer it on the base tool.(d)Please maintain stability of the rivet whatever on the base tool or floor.