Heavy Duty 6 Inch Trailer Jack Blocks 4 Pack,Super Strong RV Jack Blocks for Travel Trailers, 5th Wheels, Tongue Jack, Post & Foot – Includes Storage Bag (4 Pack)

From the brand

Vikua RV Jack Blocks

Where Every Journey Rests on Unshakable Ground

UNSHAKABLE STABILITY, ANYWHERE YOU PARK

Tired of trailer sway, unstable jacks, or sinking blocks on rough terrain? Meet your rig’s ultimate foundation: Heavy Duty 6″ Polymer Jack Blocks. Engineered for 5th wheels, travel trailers, and tongue jacks, this 4-pack delivers extreme-load stability to keep your RV perfectly level and motion-free—whether you’re oceanside, mountainside, or off-grid.

6 Inch Trailer Jack Blocks

Heavy Duty:These rv stabilizer blocks are made from heavy-duty polymer construction,camper jack blocks tested up to 40,000 lbs, featuring deep grooves and textured base to eliminate trailer sway/movement on any terrain.
All-Weather Defense:Trailer jack block features built-in drainage holes to prevent water/mud buildup, while UV-resistant additives withstand cracking from -30°F to 120°F (-34°C to 49°C) – engineered for decades of rugged outdoor use.
Universal Compatibility:Jack block secures all tongue jacks, scissor stabilizers, 5th wheel feet, and hydraulic posts with patented design.
Adjustable Height:Stackable RV jack blocks enable instant height adjustment—add or remove units in seconds to level your rig on uneven terrain.
Portable Kit:Jack blocks for rv camper includes heavy-duty carry bag with side rope handles for compact storage and easy transport in RV compartments.