Thor deadblow hammers have coated die cast aluminium alloy head with rubber grip and screw in white nylon or brown polyurethane faces available in 5 different weights 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 thor deadblow hammers are ideal as a multi purpose striking tool and are ideal for sustained and effective blows without recoil they are commonly used in most assembly fitting applications includ