Enhanced Propane Tank Stability: This set of 4 ring bases raises propane tanks by 0.6 inches, offering not only stability but also protecting the gas monitors attached. perfect compatible with ensuring that your propane tanks are well-supported and secure on any surface. Versatile Compatibility: designed to accommodate various propane tank sizes, these protective bases fit 20, 30, and 40 lb cylinders from 5 to 10 gallons. They are also compatible with most wireless propane tank monitors, making them a universal choice compatible with propane users. Surface Protection Guaranteed: Place your propane tank confidently on any surface, including patios, grills, or vehicle trunks. These bases prevent scratches, unsightly marks, and rust rings effectively, protecting both the tank and the surface on which it rests. Durable Construction: Crafted from flexible TPE with a compression-resistant solid bottom, these ring bases are built to last. The durable material ensures long-term usability and resistance to wear and tear in various environmental conditions. Efcompatible withtless Installation and Secure Fit: Simply slip these protective rings onto the base of your propane tanks compatible with a snug and secure fit. Designed to stay in place, they prevent slippage and misplacement, offering reliable protection as you transport your tank. The actual product may have slight color differences or differences, which does not affect use. Colour:Black Material:TPE Package Contents: 4 x Ring Base compatible with Propane Tank Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.