Create Better Stability: These camper slide out jacks are constructed of a solid base and heavy duty steel. AUH’s slide out jacks provide a good stability for your RV or camper, so you and your family can enjoy a safe and stable travel 2 Pack RV Slide Out Support Jacks, heavy-duty steel, supports Rv Slide Out Supports RV Slide Out Support Jacks, Camper Slide Out Supports Stabilizer Jacks 2 Pcs Adjusted From 15'' To 35'', Heavy Duty Rust Resistant Steel For 5th Wheel Adjustable Trailer Jacks Reliable Service: AUH is dedicated to offer satisfactory products and service for each customer. This RV slide-out support comes with a lifetime after-sale service. Step 3-Place the jack under the slide and turn the wrench up and down to adjust the bolt rod section to suit the final height. It is recommended to use concrete blocks or wooden leveling blocks for campers to stabilize the RV slide-out stabilizer jacks on a level surface. Easy to Install: Step1-Pull the tube up while pulling out the lock pin and adjust it to the required height,then plug in lock pin. RV Slide Out Support Jacks Adjustable from 15'' to 35'' Step 2-Turn the wrench clockwise: Raise the bolt rod. Universal U-shape Steel Plate: Universal RV stabilizer jacks for travel trailer slide out stabilizer features 5-inch (12., 7 cm) circular base and a 5., 1 by 3-inch (13 by 7., 6 cm) u-channel bracket steel plate for secure positioning of your RV stabilizer bars; The stabilizer jacks fits 15., 1 ~35., 4 Inch RV Slide Out Supports. These rugged stabilizer jacks support up to 5000 lbs with their reinforced steel construction. Adjust from 15 to 35 to fit most RVs and trailers. The zinc... Package includes (2) camper slide out stabilizers travel trailer leveling jacks to add to your camper accessories. Durable and Anti-rust: AUH’s slide out support jacks are made of heavy-duty alloy steel square tubes finished with a zinc powder-coating for longevity and resistance to rust and corrosion.