To adjust the groove width these tools can be re-assembled with the supplied shims and spacers inserted between the groovers giving a 0.1mm increment in thickness.

Specification:
D=1 31/32 inch
D=50 mm
C=5-9 mm
B=28 mm
E=11 mm
OL=76 mm
Shank Diameter=1/2 inch

Includes:
Mounted on the cutter
5 x 1mm shims
1 x 6mm spacer
In a separate bag
Shims
2 x 0.05mm
5 x 0.1mm
1 x 0.5mm