Jack-In-A-Box Slide-Out Stabilizers help prevent swaying and keep your slide-out steady while also protecting your slide-out extension arms.• Two jacks per carton• Removable U-top fits most frames• All parts are powder-coated or zinc-plated for corrosion resistance• Adjusts between 20" and 46"• Easy snap-and-lock adjustment• Supports 5000 lbs. per jack• Foldable handle for compact storage Adjusts between 20"" & 46"" with easy snap-and-lock adjustment Removable U-top fits most frames Two jacks per carton | Stromberg Carlson Jack-In-A-Box Slide-Out Stabilizers, Set of 2