Threaded Plug Gauge Assembly Set Dimension Type Metric Gauge Type Go/No-Go (Plus/Minus) Handle Design Double End Included Handle Taperlock 00 Thread Class 6G Thread Size M3 x 0.50 Thread Type Metric Tolerance Class X Gauge Length - Go Member 9.50 mm Gauge Length - No-Go Member 9.50 mm Gauge Material Tool Steel Handle Color Yellow Handle Length 1 3/4 in Hardness RC 60-62 Included Certification Certificate of Accuracy with NIST Traceability Pitch Diameter - Go Member 2.66 mm