Ball Pein Hammer, Hammer Type Ball Peen Hammer, Handle Material Fiberglass, Head Weight 40 oz, Overall Length 14 in, Grip Style Ribbed, Head Material Aluminum Bronze, Face Material Aluminum Bronze, Dead Blow Hammer No, Non-Sparking Yes, Tether Ready Yes, Features Corrosion-Resistant, Independently Tested and Found to Pose No Risk in MRI Environments, Non-Magnetic Yes