General description Includes a comprehensive 10-piece pneumatic quick connect set designed for use with compressors, pneumatic tools, and air hose assemblies. This set features a spring-loaded quick-connect connector that includes a built-in valve to shut off the air supply when changing tools, ensuring a seamless and efficient workflow. Technical specifications Size: 1/4" BSP Hex Collet Sizes: 12mm (Male), 16mm (Male), 19mm (Female/Male) Material: Heat-treated, hardened steel with a nickel-plated finish for rust and corrosion resistance Design Easy to use: Simply slide the collar back to insert the fitting, then slide it fully back to lock Allows quick connection and disconnection of tools and air lines Other information Please allow 1-3cm difference due to manual measurement The color of the items shown in the photos may vary slightly from the actual product