Create round rivets (hemispherical) by making round holes in plastic plates, brass plates, aluminum plates, etc. 10 sizes: 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm. Includes a metal mini hammer. Please understand that this is used and we ask for no claims and no returns.