Description :1.1/2" QD Ball lock design ensures a solid connection, simple to assemble and disassemble with 1/2" plug2.Used in combination with the quick couplers and are used anywhere high pressure connections are frequently assembled and disassembled3.Great for quick exchange of nozzles for Long Life.These air quick couplers plugs connect to all of the most common pressure equipment4.Fittings can be used to attach a pressure accessories to the air compressors Specifications :Product Name : Quick CouplerNet Weight : 126gMaterial : IronColor : Silver ToneModel : SM40+PM40Male Thread Size : 1/2" G Working Pressure: 1MPaTemperature resistance : 60 Degree Celsius treatment: Nickel PlatingTotal Size : 76.2 x 24.3mm = 3" x 0.96" (D*H) Package Content :1pcs x Quick Coupler Socket1pcs x Quick Coupler Plug