The Sumner ST‑871 Pro Jack with V‑Head (Model 780471) is a rugged pipe stand adjustable from 28″ to 49″, suitable for pipe diameters from ⅛″ to 36″. It supports up to 2,000 lb (900 kg) and offers formed steel legs, strut tension plate for lateral stability, quick‑action lockwasher for rapid height setting, Fall Guard™ safety zone, large adjustment handle, transport‑locking set screw, and 1½″ Acme fine‑thread adjustment.