Specifications :Product Name : Quick CouplerNet Weight : 91gMaterial : IronModel : SH20+PH20Color : Silver ToneBarb outside Size : 8mmSocket and Plug Size :1/2"Surface Treatment: Nickel PlatingWorking Pressure: 1MPaTemperature Resistance : 60 Degree CelsiusTotal Size : 92.7 x 24mm = 3.65" x 0.94" (D*H) Package Content :1pcs x Quick Coupler Socket1pcs x Quick Coupler Plug Description :[UNIVERSAL DESIGN] - fitting is connect to 8mm hose ID ,The Quick Connect socket and plug size is 1/2"[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; Small Volume and Large Flow, faster cleaning and .[ 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, corrosion resistance and durability, lifelong use.[WIDE APPLICATION] - Fittings can be used to attach a pressure accessories to the air compressors