Enhanced Propane Tank Stability: This set of 2 ring bases raises propane tanks by 0.6 inches, providing improved stability and helping to protect gas monitors attached to the tank. Ideal for ensuring your propane tanks are well-supported and secure on various surfaces. Versatile Compatibility: Designed to fit 20, 30, and 40 lb propane cylinders ranging from 5 to 10 gallons. These protective bases are also compatible with most wireless propane tank monitors, offering a universal solution for propane tank users. Protection Guaranteed: Use these bases on patios, grills, or in vehicle trunks to help prevent scratches, marks, and rust rings. They protect both the propane tank and the surface it rests on. Durable Construction: Made from high-quality flexible TPE with a solid compression-molded bottom, these ring bases are built to withstand regular use and resist wear in various environmental conditions. Effortless Installation and Secure Fit: Simply slide the protective rings onto the base of your propane tank for a snug, secure fit. Designed to stay in place, they help prevent slippage and shifting during transport. Note: The actual product may vary slightly in color, which does not affect functionality. Color: Black Material: TPE Package Contents: 2 x Ring Base for Propane Tank Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.