3 degree undercut router bits for routing a leading edge on doors to allow a tight fit against jamb.
Shank mounted bearing self guides the cutter along door edge.
8mm shank for medium or heavy duty routers only.

Specification:
D=19.3 mm
C=38.1 mm
OL=89 mm
B=16 mm
A=3 degrees
Shank Diameter=8 mm