Thor 1616 Dead Blow Nylon Hammer 50mm 1.15kg (41oz)Thor Dead Blow Hammers have a coated die cast aluminium alloy head with a rubber grip and screw in faces. The hollow die cast head is partially filled with steel shot to add to the weight, prevent rebound and deliver dead blows of maximum force. All faces are one piece moulded with a shoulder for extra strength and to prevent fracture from misdirected blows. The faces are designed to wear and be replaced by hand. These Dead Blow Hammers are twin faced