Features with fit for 8mm dual hose barb, easy to install.A device for controlling or limiting the pressure in air compressor. Specification:Product Name: Air Compressor Valve SwitchDesign: Double OutletMaterial: Plastic, MetalColor: Red, Gold ToneFit for Hose Dia: 8mm / 0.31 inchTotal Size: 46 x 48.6 x 28.5mm / 1.81 x 1.91 x 1.12 inch(L*W*H)Net Weight: 30g Package Content: 1 x Air Compressor Valve Switch.