Ultra-Fab 4/Pack11"-17" 6000 Lb Manual Trailer Stabilizer Jack 48-979004 15-0425

This is used to stabilize tent campers & small trailers. It extends from 11 inch to 17 inch height & has stacker jack type stand. It is made of aluminum. Stacker Jacks feature a heavy duty non-corroding cast aluminum base with steel screw assemble & a permanent handle.