Package Contents: Includes 12 air hose fittings in total – 2 × female fittings with male threads, 2 × female fittings with female threads, 4 × male fittings with male threads, and 4 × male fittings with female threads. Function: Designed for quick and easy connection or disconnection of air tools and airlines. Suitable for use with pneumatic tools, spray guns, tyre inflators, air blow guns, airbrush compressors, air compressors, and hose reels. Specifications: 1/4" BSP air line connectors with both male and female threads, compatible with standard quick couplers and air compressor equipment. Includes 2pcs 12.8mm hex female fittings and 2pcs 12.8mm male fittings. Easy to Use: Simply pull back the sleeve, insert the connector, then release the sleeve to lock it securely in place. The sleeve can also be easily retracted when no plug is inserted. Durable Construction: Manufactured from high-quality steel for strength and longevity. Finished with a galvanised coating to resist rust and corrosion., Manufacturer: PA Products