HIGH QUALITY BRAND NEW EASY TO USE 1LB Dead Blow Hammer. Ideal to be used where damage to surfaces is to be minimised such as floor, tile, marble installation, furniture design and other professional use. When the hammer strikes, the hammer head has built-in steel balls, the steel balls disperse the shock, reduce the impact force on the hand, and achieve the anti-vibration effect. When the hammer head touches the surface of the object, it will not rebound under the action of the steel ball gravity principle