Enhanced Propane Tank Stability: This set of 2 ring bases raises propane tanks by 0.6 inches, offering stability and protecting gas monitors attached. Versatile Compatibility: Designed to accommodate propane tank sizes, these protective bases fit 20, 30, and 40 lb cylinders from 5 to 10 gallons. They are compatible with most wireless propane tank monitors. Protection Guaranteed: Place your propane tank confidently on patios, grills, or vehicle trunks. These bases prevent scratches, marks, and rust rings, protecting both the tank and the surface on which it rests. Construction: Crafted from high-quality flexible TPE with a compression-resistant solid bottom, these ring bases are built to last. The material ensures long-term usability and resistance to wear and tear in various environmental conditions. Effortless Installation and Secure Fit: Simply slip these protective rings onto the base of your propane tanks for a snug and secure fit. Designed to stay in place, they prevent slippage and misplacement. Color: Black Material: TPE Package Contents: 2 x Ring Base for Propane Tank Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1–3 cm.