rvmate 12 pack rv leveling blocks, camper trailer leveling blocks | levelers for rvs, reduce trailer movement, trailer leveling blocks,rv leveling system great for single and dual wheels blue 12 is up for auction in Automotive. The current bid is $7.50, 74% below the $28.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.