Plain Plug Gauge for tapping predrill dia with depth measurement of I0209.000, Size Go dia- 4.752 to 4.754 mm, NoGo dia-4.846 to 4.851 mm, Depth - Go size- 5.520 to 5.525 mm, No Go size-5.753 to 5.766 mm. Gauge Number- PPGWD4749.4851