These are rivets (A Crokele, black nickel plating) that can be used for making bags, wallets, leather crafts, etc. Size: 9mm diameter, 8mm leg length (standard leg) Quantity: 400 pieces (a little extra included) Color: Black Material: A Crokele (black nickel plating) These are unused items that have been stored. Please use them as auxiliary materials for making or repairing handmade works. *There may be fine scratches due to storage. *Please refrain from selling individual pieces or negotiating price reductions. *Instant purchase is welcome without any comments.