Trailer Jack Blocks: 2Pack RV Caper Stabilizer Australia | Ubuy Whether you're leveling your RV to eliminate sway or propping up a utility trailer, these blocks are built for the job. Despite their lightweight design, they can support up to 22,000 lbs. Multi-Use:Engineered for various trailer jacks—whether it's a scissor jack, wheel jack, 9-inch round fifth-wheel hydraulic jack leg, or stabilizer. Heavy Duty Stabilizer Pads Trailer Jack Block, 2000 Lbs Capacity Per RV Leveling Block Stabilizer Blocks Harbor Freight The Best Travel Trailer Jack Blocks for Secure, Stable RV Leveling Whether you're parked on dirt, gravel, or asphalt, they deliver solid, secure base that minimizes sway and movement. Niteguy Trailer Jack Blocks with Bag RV Jack Block Leveling Stabilizers Jackstands for Travel Trailer Heavy Duty Utility Blocks for Tongue, Post, Foot, Fifth Wheels,Round Square or Scissor Stabilizer RV Leveling Blocks 2-Pack Trailer Jack Blocks - 15,000 Lb Capacity RV Stabilizer Blocks For Tongue & Scissor Jacks 15,000 Lb Capacity RV Stabilizer Pads For Campers Trailers Dimensions & Options:Each block measures approximately 6 high by 11., 5 long and 11., 5 wide,choose between a single unit or a pack of four to suit your specific RV and trailer needs.