About This High-quality Martensitic stainless steel, high hardness, and high wear resistance, suitable for high-strength punching. Original design and sharp blade, fit for professional artisans, one-time sharpening heat treatment, sharper and better toughness. the edge is polished by hand, easy to make clean oval-shaped leather holes. The whole body with black electroplating on the surface, with strong anti-rust performance and wear resistance, is sturdy, provides comfortable hand feelings, suitable for intensive stamping and long-term leatherworking craft. Original and practical design, wide discharge port, the punching is smoother, not easy to block, leather can come out easily. 2*5mm+3*5mm+1.5mm Round+2mm Round,total 4 sizes available, can be used to make clean oval shapes in leather, belts, strap, gasket, clothes, rubber, and other soft materials. Overview Material : Stainless Steel Color : Black Brand : WUTA Hole Count : 4 Operation Mode : Manual