The Hi Boy is a tall pipe jack specifically designed for tight pipe installation, such as in mechanical rooms or tunnels. The Hi Boy is a safe, portable folding stand that is easy to transport and holds a hefty 1,000 pounds (450 Kg) at 72″ (183 cm). In its lowest position of 39″ (99 cm), the Hi Boy is ideal for normal fabrication of weld pipe. Legs fold up for convenient storage in job boxes or truck beds.