Ultra-Fab Stacker Jacks – 4-Pack, Heavy-Duty RV Stabilizers (48-979004)

Rock-Solid Trailer Stabilization for Safer, More Comfortable Parking

• Designed for trailer stabilization—not lifting – Provides a stable, level foundation for parked travel trailers, horse trailers, and cargo haulers to reduce movement and sway.
• High load capacity per jack – Each stabilizer supports up to 6,000 lbs, delivering reliable support without unnecessary bulk.
• Durable die-cast aluminum construction – Strong, corrosion-resistant material offers long-term durability while remaining lighter than steel alternatives.
• Adjustable height range – Extends from 11″ to 17″, making it adaptable to a wide range of trailer heights and uneven ground conditions.
• Complete 4-pack coverage – Includes four stabilizers to support all corners of your trailer for balanced, consistent stability.
• Compact, stackable design – Units nest together for efficient storage, ideal for RVers with limited cargo space.
• Simple, tool-free adjustment – Built-in handles allow for quick height adjustments without complicated setup.
• Trusted Ultra-Fab quality – Backed by Ultra-Fab’s reputation for dependable RV accessories and a manufacturer’s warranty.
• SKU / Item Number: 48-979004
• Instructions & Warranty (Stacker Jacks (4/pack))