Features: Ensure the safety and longevity of your propane tanks with Solid Brass refilling Propane Bottle Caps, a solution for sealing and protecting your 1lb gas cylinders. Crafted from high quality solid brass and equipped with rubber gaskets, these caps provide a Excellent fit to prevent rusts and leakage, enhancing the reliability of your propane storage. Suitable for outdoor enthusiasts, homeowners, and anyone in need of a secure Caps for their propane bottles, our product caters to a broad audience seeking practicality and efficiency. Whether you're firing up the grill at a BBQ, heating your space with a propane heater, or enjoying comforts of home on a Campings trip, these caps are designed to fit seamlessly into your lifestyle. With a leak proof design featuring internal rubber Seals, propane bottle caps are the go to accessory for maintaining your peace during storage and transport of propane tanks. Specifications: Material: brass Dimeter: about 36mm/1.42inch Height: about 14mm/0.55inch Package Includes: 6xPropane Bottle Caps note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.