Most commonly used of the pipe fixtures for light construction and do-it-yourself projects. It is used with ordinary black pipe and has the flexibility of creating any clamp length. Orange baked enamel finish castings of malleable and/or ductile iron. Smooth 1/2 in Acme cut steel threaded screw for secure hold and final tightening. Tail stop with multiple-disc-clutch for fast easy adjustments while holding work securely. Coil-spring stop.