Threaded Plug Gauge Assembly Set Dimension Type Metric Gauge Type Go/No-Go (Plus/Minus) Handle Design Double End Included Handle Taperlock 000 Thread Class 6G Thread Size M2 x 0.40 Thread Type Metric Tolerance Class X Gauge Length - Go Member 5.60 mm Gauge Length - No-Go Member 5.60 mm Gauge Material Tool Steel Handle Color Yellow Handle Length 1 1/2 in Hardness RC 60-62 Included Certification Certificate of Accuracy with NIST Traceability Pitch Diameter - Go Member 1.72 mm