DURABLE CONSTRUCTION- The pipe jack stand is constructed of premium steel, resistant to rusk and corrosion, durable for a long time. The height is adjustable(from 32in to 55in) to meet different needs. HEAVY DUTY ROLLER-HEAD- Durable Roller-head, easy to install. Lock washer ensures safety and large capacity. Lifting weight can be up to 2500lbs. PORTABLE & COMPACT DESIGN- The whole stands is folding. Storage wont take your much space. A portable handle wrapped by rubber is also a highlight. Easy carrying and storage. GREAT STABILITY- The rounded foot pads of this stand is widened. The strut tension plate for superior lateral support. Stability is enhanced when you are working in the uneven place. WIDE APPLICATION- Welding of heavy pipes, shapes, solids and rounds. Support pipe during pipe threading, pipe hole cutting, roll grooving, etc.