Threaded Plug Gauge, Dimension Type Metric, Gauge Type Go/No-Go (Plus/Minus), Handle Design Double End, Included Handle Taperlock 1, Thread Class 6H, Thread Size M2.5 x 0.45, Thread Type Metric, Gauge Finish Uncoated, Gauge Material Steel, Handle Color Black, Included Certification Certificate of Accuracy, Long Form Calibration Certificate No, Standards ISO 1502, Thread Direction Right Hand