This RV scissor stabilizer supports 5000 lbs, with a 4-23.4 inch lift range for stable parking. Made of electrophoretically treated steel, it provides reliable support and is easy to operate solo with an extended hand crank and a magnetic level. | Vevor | | 5000 lbs RV Scissor Jacks, 4-23.4 in RV Stabilizer Leveling Scissor Jacks, Set of 4, Heavy Duty Stabilizer Jack | Black | Best Buy