No.2 Warehouse 11pcs DIY Leather Craft Tool Die Punch Snap Kit Rivet Setter with Base for Punch Hole and Install Rivet Button+ a Piece of Clean Cloth Durable solid metal construction Extra long handles, provides better grip and comfort The hole of hollow punch: 2.5mm and 3.0mm Universal setter base with 7 widths: 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 15mm For punch hole and install snap fasteners, press studs, rivet, grommet, etc.