Attractive edge moulds.
A full corner bead can be produced by making a second pass at 90 degrees.

Specification:
D=7/8 inch
D=22.3 mm
D2=20 mm
C=35/64 inch
C=14 mm
B=12.7 mm
R=3.2 mm
OL=65.5 mm
Shank Diameter=1/4 inch