ADJUSTABLE CLAMP LEVERS - ZINC DIE CAST - FEMALE THREAD - STAINLESS STEEL INSERT - BLACK - INCH
Pulling up on the handle disengages it from the spline and allows it to rotate freely for adjustment. Releasing the handle engages it for tightening or adjusting. The handle is made from zinc die cast and powder coated in a black satin finish. Internal parts are made from stainless steel.