RV Slide Out Support Jacks with Flat Top, 7000lbs Each Camper Slide Out Stabilizer Jacks Adjustable from 24″-45″, Drill Allowed (S-SOJ-1, Set of 2). 【Industry-Leading 7000 LBS Capacity for Ultimate Stability】Each of our Heavy-Duty RV Slide Out Support Jacks carries a massive 7,000 LBS capacity, significantly higher than standard 5000lbs models.