Product Description Autodelo end cutters are made of 31CrV3 chrome-vanadium steel using the hot forging method (hammer forging). Designed for professional use in various mechanical work. - Fully comply with GOST5547-93 requirements. - Have convenient ergonomic handles covered with resin-plastic, which prevent slipping. - Cutting edges are induction hardened to a hardness of 55-58 HRC. - Protected from corrosion by a chrome-nickel coating with a matte surface effect.