RV Slide-Out Support Jacks, 2-Pack, 21-48 in, 1000 lb

RV slide out support jacks steady your slide-out to reduce rocking, noise, and bounce while you walk, sleep, or set up camp. This 2-pack delivers solid support under slide-outs, decks, or steps, helping protect components from strain during parking on gravel, grass, or pads. The adjustable multi-hole design dials in height fast, while wide bases and anti-slip tops improve grip on uneven terrain.

• Delivers up to 1000 lb (453.59 kg) support per jack to help reduce slide-out movement and flex


• Adjusts from 21.3–48 in (541.02–1219.2 mm) with smooth rotation for quick leveling on uneven ground


• Stabilizes with a wide 12 x 12 in base and honeycomb anti-slip top for confident contact


• Protects with rubber pads that help reduce noise, slipping, and underside scuffs during use


• Stores easily with stackable, compact jacks suited for travel trailers, fifth wheels, and campers

Whether you’re dealing with soft campsites or hardstands, these slide-out leveling jacks add dependable stabilization without bulky gear. Reinforced locking hardware helps keep your set height, while the corrosion-resistant finish is built for frequent outdoor use. Keep a pair in your storage bay for fast setup at every stop—ideal for weekend trips and extended stays. Grab yours today and park with a steadier, quieter feel.

• Quantity: 2 pcs


• Height range: 21.3–48 in (541.02–1219.2 mm)


• Load capacity: 1000 lb (453.59 kg) per jack


• Base size: 12 x 12 in (305 x 305 mm)


• Size (lowest): 12 x 12 x 21.3 in (305 x 305 x 540 mm)


• Size (highest): 12 x 12 x 48 in (305 x 305 x 1220 mm)


• Net weight (set): 16.97 lb (7.7 kg)


• Color: Black/Silver