Goplus A-Frame Jack RV Camper Trailer Tongue Boat Lift Drop Top Wind 5000 lbs Black5000 Weight Capacity This A frame jack is made of heavy duty steel which has a 5,000lbs weight capacity, ideal for RV, camper, trailer, etc. Lift Height Its max lift height is about 25 13 16", and its min lift height is about 10 13 16" Size Info Iner tube diameter: 2". Outer tube diameter: 2 1 4", Distance from top to Triangular plate: 10. 5". Ergonomic Handle The handle adopts an ergonomic design that has good friction to operate the jack with less