Description: 100% Brand New & High Quality Made of heat treated hardened steel for strength and durability. Spring loaded quick release couplers which should be used on the compressor so that the air is contained when the air tool is disconnected. When using the coupler(s) slide back the sleeve, push in the connector and then slide back the sleeve fully to lock in the connector. Enables tools and airlines to be quickly connected/disconnected. Specification: Materia: Carbon Steel Color: Silver External Thread Diameter: approx. 16mm/ 0.63 inch Wrench Adjusted to: approx. 18mm/ 0.7 inch Package Includes: 1 Piece Pneumatic Quick Coupler
