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 Fast
• Universal Applications - Measure On or Off the Vehicle
• Each Fitting Includes Male and Female Threads
• 16 Thread Sizes (Metric and Imperial)
• Etched Part Number and Size Information