100mm 4″ Stainless Steel Multi-Use Ruler & Gauge RNG/4 by GrozA popular pocket-sized, 5 – in – 1 tool useful for a variety of applications.Can be used as:
- A Drill Point Gauge for checking 59 ° angle drill points
- A Protractor for measuring and laying out angles
- A Center Finder for locating centers on shafts and circles
- A Circle Divider for dividing circles into sectors, polygons and polygrams (up to nine equal parts)
- Tap and Drill Table shows popular tap sizes and corresponding drills sizes for American National threads
Manufactured from stainless steel, this multi use tool comes complete with a 4″ (100 mm) rule with permanently etched graduations in 64ths and millimeters





