Combination pierce and trim cutters.
Pierce and cut out apertures in laminate worktops.
Base of the cutter acting as a guide follower.
Specially designed for the caravan building industry used for cutting apertures in windows doors & the floor pan.

Specification:
D=1/2 inch
D=12.7 mm
C=22.5 mm
C2=22.5 mm
OL=121 mm
Shank Diameter=1/2 inch