Material - The pneumatic chuck is made of high quality aluminum alloy with high strength, sturdy structure, wear resistance, and long service life. - Inflatable chucks made of durable brass are commonly used for bicycles, motorcycles, cars, buses and trucks. Function and performance - Designed for use with inflators and pressure gauges, enabling quick connection of the tire inflator chuck. - The screw-in chuck clamps the tire valve securely for reliable inflation. Ease of use - Easy to operate: simply screw in the chuck to clamp the valve and start inflating with your gauge-equipped inflator. Applications - Suitable for a wide range of vehicles including bicycles, motorcycles, cars, buses and trucks. - Ideal for home garages, auto shops, and fleet maintenance where durable, quick-connect tire chucks are needed. Use scenarios - Home maintenance: connect to a tire inflator and gauge to quickly inflate bicycle or car tires with accurate pressure. - Auto shop use: rapid valve connection during tire inflation and pressure checks for motorcycles and cars. - Fleet service: durable brass chucks for repeated use on buses and trucks in workshop environments.