Shop Nilight RV Leveler – 2 Pack Camper Leveling Blocks Ramp Support Dual Axles, Up to 35,000lbs, Fast RV Accessories Leveling System for Travel Trailer, Motorhome in high quality. Made of high-density polyethylene, Nilight RV leveling blocks work with any camper trailer that weighs up to 35,000 Lbs, exceptional load-bearing properties ensure a durable and long service life.