Estwing 40 Oz. Smooth Face Lineman's Hammer With Blue Shock Reduction GripEstwing 40 oz. Smooth Face Lineman's Hammer with Blue Shock Reduction Grip The Linemans Hammer has a bonded and molded Shock Reduction Grip, which offers the utmost in both comfort and durability while reducing vibrations caused by impact. The head and handle are forged in one piece and are fully polished. This tool has unsurpassed balance and temper. Solid American steel Unsurpassed balance and temper Smooth smooth faces 40 oz. head weight, 14 in.