Features and Benefits:?2-5?16" nickel-plated truck valve?compatible with TV544?Installation torque: 9-14 Nm?Maximum working pressure: 14 bar/203 PSI?This ALLIGATOR TR 544 is a nickel plated valve is particularly suitable for light metal alloy rims. They fit 9.7 mm ( 0.382" to 0.394") valve rim holes and measure 2.86" in length.