Durable stainless steel construction for reliable frequentuse performance Made from robust stainless steel, this valve connector is built to withstand regular use and resist wear over time. Standard thread compatibility for wide compatibility Features a 7/1620UNF (1/4SAE) thread size that fits standard R134A bottle valves, meeting the needs of both professionals and hobbyists. Efficient quick connection to speed up work Includes an 8 mm quick connect for fast, tool attachment to hoses, helping to streamline repairs and routine maintenance tasks. Multi purpose application for automotive and refrigeration work Well suited for automotive air conditioning systems and refrigeration units, making it a versatile addition to any toolkit. Specifications Material: stainless steel Thread size: 7/1620UNF (1/4SAE) Quick connect: 8 mm Applications: automotive air conditioning systems, refrigeration units Compatibility: standard R134A bottle valves Use scenarios Automotive air conditioning service: connect to R134A service hoses for charging or testing in a workshop or mobile service. Refrigeration maintenance: attach to refrigerant hoses during service of condensers and cooling units to up or verify refrigerant flow. On site or DIY projects: a dependable connector for hobbyists and technicians needing quick hose attachment during field tasks or home repairs.