Nilight Trailer Jack Block, 6" RV Camper Stabilizer Blocks for Travel Trailer with Bag, Heavy Duty RV Leveling Block with 40000lbs Capacity Universal for Tongue Jack Post Foot 5th Wheels Black 1 Pack — Open-Box, 21% Off

STABLE SUPPORT & FIXATION: This trailer jack block is specially designed to support and fix jacks, helping maintain stability on various road surfaces, and effectively preventing RVs and trailers from shaking and swaying during use

MATERIAL, SIZE & LOAD CAPACITY: Nilight camper stabilizer block made of high-quality PP material, it is waterproof, sun-proof and oil-stain resistant for long-lasting use. With 6'' height and 11.6'' wide base for better stability, it can bear up to 40000lbs per piece. Stackable design allows easy height adjustment

UNIQUE DESIGN FEATURES: The RV leveling block features an upgraded honeycomb surface for excellent anti-slip performance, keeping the jack from sliding off for enhanced stability. Unlike ordinary RV jack blocks, it is equipped with a drain hole to effectively discharge water and mud, prevent water accumulation and extend the jack's service life in harsh environments

EASY TO CARRY & STORE: The trailer jack stand designed with a side handle hole and a rope, you can choose your preferred carrying method. Comes with a storage bag, which is convenient for storage and saves space when not in use

WIDE COMPATIBILITY & APPLICATION: Universal trailer jack blocks compatible with almost all jack types, including tongue jacks, wheel jacks, 9'' round 5th wheel hydraulic jacks and scissor jacks. Suitable for various scenarios like flat ground, gravel, grass, mud and snow, ensuring stable support even on soft or rough terrain