CLAMPS :
Material : Copper Alloy 
Size : 14mm, 3/8", 5/8", 3/4" etc. 
 
DRIVING HEADS / STUDS / TIPS, DOWELL PINS :
Made from High Tensile Steel to ensure force from power hammer. Dowell Pins are also made from High Grade Brass.
Size : 1Omm, 14mm, 5/8", 3/4" etc. 
 
COUPLERS :
Material : Copper Alloy 
Size : 14mm, 5/8", 3/4" etc.