This premium brass propane tank adapter is designed for safely connecting and refilling 1lb propane bottles. Featuring precision-engineered construction with a 1.3-inch diameter and knurled grip pattern for secure handling, this durable adapter makes transfers simple and reliable. The solid brass construction offers excellent durability and corrosion resistance, while the carefully machined threads ensure a proper seal. The textured surface provides enhanced grip control during installation and removal. With an internal diameter of 21mm (0.79") and overall length of 24mm, this adapter is perfectly sized for standard 1lb propane tanks. The robust design and quality materials make this fitting ideal for BBQ grills and other propane appliances. For proper use, always follow local regulations and manufacturer guidelines regarding propane tank handling and refilling procedures.