Leather Sewing Tool with Different Prong Head 3 Piece Hole Punch Tool Set for DIY Lace Stitch Chisel Leather Craft (6mm) The leather punch suit is made of high quality iron alloy metal, has excellent wear and impact and high hardness. Leather punches can achieve a uniform punching process on leather, cardboard, plastic, rubber and other materials, and the process is simple. Widely used: Suitable for sewing steering wheel sets, sofa seat covers, belts, Bracelets, cards and much more.