SnapPad The Cap (Singles) | RV Leveling Blocks for Plastic Stackers, Includes One 8.5" Cap | Adds 1/2" to Your Stacker Setup, 2.5 lbs Per Cap & 1" Total Width | Must-Have RV Accessories. STABLE RV LEVELING SYSTEM: RVers know that plastic stacker blocks tend to be brittle and slippery.
