Threaded Plug Gage, Dimension Type Metric, Gauge Type Go (Plus); No-Go (Minus), Handle Design Assembly, Included Handle Taperlock 0, Thread Class 6H, Thread Size M4.5 x 0.75, Tolerance Class X, Gauge Finish Chrome Plated, Gauge Length – Go Member 10.3 mm, Gauge Length – No-Go Member 7.1 mm, Gauge Material Tool Steel, Handle Color Yellow, Hardness RC 70/72, Included Certification Certificate of Accuracy, Long Form Calibration Certificate No, Pitch Diameter – Go Member 4.013 mm