Product Description Drop hammer forging, heat-treated chrome vanadium steel structure is heavy, highly durable and prolongs service life Ergonomic handle design for comfort during long-term use, reducing the possibility of hand fatigue Insulated two-color dual-component handles are voltage tested to prevent electric shock The sharp cutting edge hardness is about HRC58-62, the body hardness is about HRC40-48, which can achieve efficient and smooth operation.