Fitted with two blades that can be rotated four times.
Fitted with a double bearing.
Bearing ring accessories can be fitted to give different rebate sizes.
Rings are secured between the two bearings.

Specification:
D=1 1/2 inch
D=38.1 mm
C=15/32 inch
C=12 mm
OL=66 mm
Shank Diameter=1/2 inch