4.5″ 12″ (114 305 mm) The new pipe alignment clamp with quick-acting screw is a fast, accurate fit-up clamp with a rugged frame for use in the shop, or at the job site. Get a well-balanced hold on the pipe alignment clamp with the two wide Grip plates while pressing the quick-acting button. The threaded screw smoothly glides up and down for fast jaw opening and clamp removal after welding. The long life clamp is made of double-walled powder coated steel. Align pipe for joining pipe to elbow, pipe to tee, or pipe to flange., Weight: 18.04924538994 pounds, Manufacturer: Strong Hand Tools