For upgrading the mortice jig from the old snap-on cutters to the new screw-on version.
- Standard screw-on shaft: 220 mm length (for locks up to 100 mm deep).
- 19.0 mm diameter carbide tipped cutter.
- 22.2 mm diameter carbide tipped cutter.
- 25.4 mm diameter carbide tipped cutter.
- 1 x Release spanner.