Thor 20-1414 Thorace Dead Blow Nylon Hammer (44mm) 900G The Thor 20-1414 Thorace Dead Blow Nylon Hammer has a cavity inside the head partially filled with steel shot which adds to the weight, prevents rebound and delivers \'dead\' blows of maximum force. The hammer is available in different weights with interchangeable faces. Commonly used in most assembly/fitting applications including engineering, toolmaking, shopfitting, partitioning, double glazing etc. Features: Faces are designed to wear and to be replaced by hand All faces are one-piece moulded No metal pegs or inserts to damage the workpiece when worn Serrations in the metal head prevent faces coming loose during use Faces have a shoulder for extra strength and to prevent fracture from misdirected blows Face diameter 44mm / 1.3/4 Inch Specification: Model:  20-1414 Face diameter 44mm / 1.3/4 Inch Approximate Length:  310mm / 12. 1/4 Inch Weight:  900g / 2lb