Armstrong 69-532 21-Ounce Standard Head One-Piece Dead Blow Hammer Made in the USA - quality and availability Steel shot filled canister creates a dead blow effect; sustains impact, maximizes force , reduces / eliminates rebound, and absorbs the shock of impact Non-sparking hot cast urethane covers steel shot chamber and steel reinforced handle; no exposed metal Hot cast urethane face will not mar surfaces or absorb liquids. resists chipping and splitting while reducing noise when striking metal objects Steel reinforced handle provides added strength and safety by resisting breaking on overstrike