Specifications :Product Name : Quick CouplerNet Weight : 217gMaterial : IronModel : SH40+PH40Color : Silver ToneBarb outside Size : 13.3mmSocket and Plug Size :12.5mmSurface Treatment: Nickel PlatingWorking Pressure: 1MPaTemperature Resistance : 60 Degree CelsiusTotal Size : 110 x 24mm = 4.33" x 0.94" (D*H) Package Content :2pcs x Quick Coupler Socket2pcs x Quick Coupler Plug Description :[UNIVERSAL DESIGN] - Quick fitting is connect to 13.3mm hose ID ,The Quick Connect socket and plug size is 12.5mm[ADVANTAGE] - Barb hose fitting Features a Barb on the outer ends for easy connectivity to almost anything.[MORE CONVENIENT] - Quick coupler has Anti-skid design, Installation and disassembly more easily and flexibly, Barbed retracting locks for easy slide-back ,Connecting and Disconnecting just one second.[ MATERIAL]- Quick Disconnect Set made of iron,it have been heat-treated to increase strength. Whether it is high temperature or low temperature has good wear resistance, lifelong use.[WIDE APPLICATION] - Fittings can be used to attach a pressure accessories to the air compressors.