Threaded Plug Gauge, Dimension Type Inch, Gauge Type Go/No-Go (Plus/Minus), Handle Design Single End, Included Handle Double-handle Thread Plug Gauge Handle, Thread Class Not Applicable, Thread Size 4 In.-11, Thread Type BSPT, Tolerance Class Not Applicable, Gauge Finish Uncoated, Gauge Material Steel, Handle Color Black, Included Certification Certificate of Accuracy, Long Form Calibration Certificate No, Standards BS 21-1985, Thread Direction Right Hand