Set of 2 5000 lb 30" RV Trailer Stabilizer Leveling Scissor Jacks w/handle and socket - 26021 Stablizing and leveling your RV/Trailer, Remains steady on soft surfaces because of wide bow-tie base Includes 2 steel jacks, 1 manual crank handle and 1 magnetic socket for power tool cranking, also include 8 pcs mounting screws hardware. Capacity: 5,000 lbs per jack (Min. breaking strengh) Extended height: 30", Retracted height: 5", Bolts or welds on For RV stablizing and leveling purpose only, Never use for lifting, changing tires or supporting weight of any vehicles,