* Heavy duty; tail slide secured by solid steel pin passing through locating holes * Has two-start rolled acme thread for smooth fast action * Slide and head are flat bottomed so cramp stands without support * These clamps can be screwed to a bench if required

* Heavy duty T section bar for extra strength and resistance * Can withstand cramping pressures up to 1.9 tons * Fixed head has drilled feet for bench mounting * Close grain head casting for max durability * Sliding tailstop with location pin

* This is the fixed headstockis to fit the T-Bar Sash clamps * Threaded but does not come with threaded screw