Water Temperature Gauge2 1/16 in. DiameterSilver Face120-280 Degree FMechanicalIncludes:1/2 in. NPT Adapter Fitting6 ft. Capillary TubeChrome BezelSilver BezelBlack Bezel Special Note: The gauge probe that inserts into the engine in this mechanical water temperature gauge has a flat seat and will not work with a tapered seat fitting. You must use the fitting provided in this kit.