ITEM NAME:14 Pieces 1/4 Inch Npt Quick Connect Air Coupler And Plug Kit for Air Compr T5A2 14 Pieces 1/4 Inch Npt Quick Connect Air Coupler And Plug Kit for Air Compr T5A2 The maximum working pressure is 300 PSI. Provides high impedance wear and corrosion resistance. Easy to install and quick disconnect.Can be interchanged/compatible with most. colour:Silver + red Material:Plastic + metal Size:About 3cm Package Contents: 14* connector.Provides high impedance wear and corrosion resistance. 14 connector.