Jam nut and bolt is adjustable for quick set up on any size pipe, *Legs are completely insulated and heat resistant, Utilizing the built in ground holder, welders can attach up to (2) T-300 type grounds or lug type grounds when welding on large bore pipe. *Other type grounds are easily adapted to fit the C.B.T. grasshopper, *Manufactured from H.S. steel and CNC cut for that custom touch