Replacement control handwheels for use on machines, in a choice of light duty ABS with an aluminium centre or in heavy duty die-cast alloy. All featuring fold-down hand grips, preventing accidental movement. Perfect for replacing poor quality handwheels or upgrading older machines. A keyway is cut in the 12mm bore for secure holding. The diameter of the ABS handwheel is 100mm, the die-cast alloy handwheel diameter is 125mm.