Enhanced Propane Tank Stability: This set of 2 ring bases raises propane tanks by 0.6 inches, providing added stability and helping to protect attached gas monitors. Ideal for keeping propane tanks securely supported on various surfaces. Versatile Compatibility: Designed to fit 20, 30, and 40 lb propane cylinders ranging from 5 to 10 gallons. 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. Helps 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 for long-lasting performance. Resistant to wear and tear under various environmental conditions. Effortless Installation and Secure Fit: Simply slide the protective rings onto the base of your propane tanks for a snug, secure fit. Designed to stay in place, reducing slippage and displacement 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.