The Screw Driver Handle ( part no. CHAP.CMH-3 ) is designed for comfortable, quick turning of fasteners while offering a precise feel for final tightening. CHAP.CMH-3 W/SS Screw Driver Handle with a set screw in the barrel is used to lock in an adapter or the extension.
The handle, extension and ratchet combination can be used as show below, which allows for quick setting of the fastener and the final torque advantage of the ratchet. An unbeatable combination.