Features and Benefits:•4.27" nickel-plated truck valve•compatible with TV546•Installation torque: 9-14 Nm•Maximum working pressure: 14 bar/203 PSI•This ALLIGATOR straight TR 546 nickel plated valve is particulary suitable for light metal alloy rims. They fit 9.7 mm ( 0.382" to 0.394") valve rim holes and measure 4.27" in length.