DeWalt Framing Hammer DWHT51385 21 Oz Fiberglass Smooth Face (Magnetic Nail Starter Carbon Fiber Overstrike Straight Handle Carpentry Driving) Battery Charger burr free cuts that eliminate secondary burr free cuts that eliminate secondary filing or general maintenance 31 lbs) Striking Face Profile Finish Smooth Face (Non Milled) Nail Alignment Assistance Integrated Magnetic Nail Starter Handle Core Material Structure Vibration Dampening Fiberglass Overstrike Protection Layer Carbon Fiber Composite Shield Handle Shape Style Straight Handle with Ergonomic Grip Claw Configuration Type Straight Rip Claw Primary Substrate Application Dimensional Lumber Framing The DeWalt DWHT51385 21 Ounce Fiberglass Framing Hammer is a heavy duty striking tool engineered for one handed nail setting and mar free wood driving across structural framing layouts