10PCS Compressor Fittings 1/4" BSP European Pneumatic Quick Connector Air Pneumatic Coupler Compressor Kit Air Accessory Compressed Air Hose Connector <p>INCLUDING - Comes with 1 female threaded connector and 1 female threaded connector and 4 male connectors, male connectors and 4 female connectors, male connectors. For air tools, air compressors, air hose set.</p> <p>FUNCTION - Spring loaded quick couplers for use on the compressor side have a built-in valve to shut off the air when switching between tools. Nickel-plated finish for rust and corrosion resistance.</p> <p>SIZE - 1/4" BSP. 12mm hex clamp (male fitting) 16mm hex clamp (male fitting) 19mm hex clamp (female/male fitting) Type: Male/female fitting, male/female thread.</p> <p>DESIGN - Simple to use, simply slide the collar back and insert the fitting, then slide the collar fully back to lock. Allows tools and airlines to be quickly connected/disconnected.</p> <p>ADVANTAGE - Made of heat-treated, hardened steel. Spring-loaded quick couplers for compressor-side use have a built-in valve to prevent air from escaping when changing tools.</p>