10-piece European style air line fitting kit, air compressor parts, 1/4 inch BSP threaded fittings, hose connection accessory kit.

Contents: 4 x 1/4" BSP male fittings, 4 x 1/4" BSP male fittings, 1 x 1/4" BSP female fitting, 1 x 1/4" BSP female fitting. Material: Heat-treated hardened steel with a nickel-plated finish for optimal rust and corrosion resistance. Dimensions: 1/4" BSP aircraft fittings. Compatible with 12mm (male), 16mm (female), and 19mm (male/female) hexes. Types: Male/Female, Male/Female. Instructions: Easy to use; simply slide the ring back, insert the fitting, and then slide the ring fully back to lock it. Features: The compressor-side quick-release spring-loaded fitting has a quick-disconnect system. Integrated valve to keep the air supply closed when changing tools.