Flush trim router bit 

6.35mm shank set

with 19mm bearing for flush cutting

17mm bearing for 1mm depth of cut

15mm bearing for 2mm depth of cut

13mm bearing for 3mm depth of cut

10mm bearings (pair) for 4.5mm depth of cut

8mm shank set

22mm diameter with 

22mm diameter bearing for flush cutting

19mm bearing for 1.5mm rebate

16mm bearing for 3mm rebate

bearings, and cutters are replaceable

cutters can be rotated four times 

for fresh blades

6.35mm shank

19mm diameter

.

cutters 12mm sq by 2.2mm