Make your RV stable with these RV stabilizer jacks.Each set includes four jacks, each equipped with a cushioned rubber ring and capable of supporting up to 6000 lbs or 2.72 tons.The triangular support structure provides strong stability.These leveling jacks can be easily installed under your vehicle for a secure and wobble-free experience.Adjust the height from 11 to 17 inches (280–435 mm) by turning the T-handle for convenient use.Suitable for RVs, travel trailers, and campers, these adjustable jacks meet various vehicle needs.Ideal for outdoor enthusiasts who explore in different types of vehicles.Constructed from ADC12 die-cast aluminum to resist corrosion and rust.The screw is made from 20# galvanized steel for against impacts, wear, and tear.Lightweight and portable, each jack weighs 1.65 lbs (0.75 kg) with a compact size of 6.3x6.3x11 inches (160x160x280 mm).The full set of four weighs 6.6 lbs (3 kg), making it easy to store and transport.