You are looking at one brand new 75 pack package of Tandy Leathercraft Medium SIze #12 1" Copper Rivets and Burs. This item 11282-01 are heavy duty, rust proof permanent fasteners. They are easily set with craftool copper rivet and bur setter 8110-01 which is available in our stecksstore along with several other types and sizes of rivets, tools and screws. Thank you for looking.