Stromberg Carlson Slide-out Stabilizers. Don't let your slide-out sway and rock with the traffic inside your RV. Jack-In-A-Box will stabilize your coach so a footstep will not feel like a bump in the road. Each jack stabilizes over 10,000 lbs. U-top fits all slide frames. Adjusts between 20 and 34 inches. All parts are powder-coated or zinc plated for corrosion resistance. Pair. *One set available* $50