Bovidix 3491138 Utility Shears, 288 mm Utility Shears - 288 mm Blade is made of SUS402J2 Stainless steel HRC 50-54 Bolt and Lock nut: SUS 302 Stainless steel Outer Surface Of The Blade Is Serrated For Gripping Materials Applications: Thick cloth, Upholstery, Leather, Rubber, Fabric, Rope, Cardboard, Many other materials