Complete Set 2 pieces set auto lift car machine hoist lowering valve pressure relief valvePremium MaterialMade of metal material, this lowering valve assembly is solid, sturdy and has a long service lifeUniversal FitThis pressure relief valve is universal fit for most auto lift car machine.FunctionThis lowering valve pressure relief valve with constant safe and stable pressure, once overpressure, the pressure relief valve can be fully opened to release pressure in timeAuto Lift Car Hoist Machine PartsLift car hoist machine repair parts, check valve unloading valve,lowering valve, pressure relief valve for auto lift car hoist machine repair tools Specification: Material: metal Size Chart: Lengthx Screw Diameter:7.2cmx2cm/2.83inchx0.79inch7.2cmx1.9cm/0.78incnx0.75inch5.8cmx2cm/2.28inchx0.79inch5.8cmx1.9cm/2.28inchx0.75inch Package Includes: 1 Lowering Valve Pressure Relief Valve Set Note: Please allow slightly errors 1-2cm differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin