Included in S.U.R.& R.'s TG16 Thread Gauge Kit. Replacement gauge available to replace lost or damaged components. Product Features:(1/2 - 20 UNF) - Makes Measuring Threads Simple, Accurate and FastUniversal Applications - Measure On or Off the VehicleEach Fitting Includes Male and Female Threads 16 Thread Sizes (Metric and Imperial)Etched Part Number and Size Information
