GROZ INDESTRUCTIBLE HANDLE SLEDGE HAMMER (10LB / 4.5KG) HANDLE LENGTH - 30IN / 750MM (30 HRC HEAD) INDESTRUCTIBLE HANDLE TECHNOLOGY SOFT FACE 30 HRC HEAD Forged from special steel the hammer head is induction case hardened & then tempered to reduce hardness to within 30-35 HRC. Softer head is designed to mushroom when striking harder base materials. Prevents damage to struck work pieces. * Indestructible handle is made with 6 spring steel bars that run all the way through the handle. Bars are locked with the Hammer head using Steel locking plates ensuring that the head never gets dislodged. * Ergonomic rubber grip handle absorbs shock & vibration reducing fatigue. * Special Bonding process ensures that head never gets loose from the handle. APPLICATIONS: * Driving in Stakes * Heavy Demolition Work * Construction: Fracturing Stone & Concrete * Driving Fence Posts * Police Fire & Rescue * Rebar Work * Railroads * Bending & Shaping Metal 12 Month Warranty on Handle ONLY If used under normal conditions mis-use and abuse is not covered.