Each trailer stabilizer jack: Extended height: 18"; Retracted (collapsed) height: 11-1/2", static load capacity: 1000 lbs, lift capacity: 650 lbs, which helps to keep your trailer level and stable.
Design:design of telescoping structure, strong and easy to bolt or weld, suitable for RV trailer camper stabilizing leveling
Product surface: black environmentally friendly electrophoretic paint, not easy to rust
Includes: 2 stabilizer jacks; 1 handle
Reminder: you will need to supply your own mounting hardware: four 3/8" bolts, but the mounting holes are pre drilled. You could make about a 1/4" spacer between the frame and the mounting surface to give it enough room to lock in also.