Key features

• •EASY to INSTALL and STORE - BOYISEN Trailer Jack blocks is easily to attach with its stable base, fast and accurate. 2-1/2 inches diameter recessed post-hole prevents post jacks from slipping, minutes to set it up. Designed with easy carry handle, they are easy to move and they stacked to store, take less space than wood and lighter than wood
• •SOLID CONSTRUCTION - BOYISEN trailer jack blocks with upgraded internal structure for more bearing weight, made of premium PP material, resistant to UV exposure, oil, water, heat, dirt, designed for lasting years, supports up to 15,000lbs per jack block
• •SIGNIFICANT DIFFERENCE IN STABILITY - BOYISEN RV jack block is 6.3 inches height, the jack pistons don't have to extend as far, less leg extension means more stability, you can level even on the most uneven ground. Larger bottom edge ensure large load bearing area, keep the foot secure and stable, no worrying about sinking in softer ground
• •WHAT IT USED FOR - The RV stabilizer block can used for leveling your RV campers, motorhome, 5th Wheel, Utility and Boat Fits Scissor Jacks, Tongue Post, Foot Plates, Wheel or Stabilizer. Sometimes, could be used as a seat, a motorcycle stand, step stool or even could help in changing a tire with a small bottle Jack. Our camper jack blocks can be stacked up if extra height needed(Limited to 2 Jack blocks)
• •LIFETIME WARRANTY - BOYISEN trailer jack blocks enjoy lifetime warranty, moreover, you got 30 days free return. If there's any issues or questions, don't hesitate to let us know, your problem will be addressed in 24 hours