- For template work.
- Blade can be rotated 180 degree to give double the life of a conventional tool.
- Cutter diameter of 19.1mm and bearing diameter of 19.05mm.
- Spare blade for Ref. RT/70 from January 2013 is ref RB/T (three hole).
- Ref. RT/70 has single flute.
- Ref. RT/72 has two flutes.