The Sumner ST‑872 Hi‑Pro Jack Stand with Roller Head (Model 780472) is adjustable from 28″ to 49″ (71–125 cm) and supports up to 2,000 lb (900 kg). Built with formed steel legs and a strut tension plate for lateral stability. Features include an aluminum roller head for smooth pipe movement, quick‑action lockwasher, patented Fall Guard™ safety zone, large adjustment handle, transport‑locking set screw, and 1½″ (38 mm) Acme fine‑thread adjustment