If the cutter is lowered, a top quirk can be produced.
A full round/bullnose for stair treads can also be produced by taking a second pass from the opposite side of the workpiece.
D: 28 mm
C: 1/2 inch
C: 12.7 mm
B: 9.5&12.7 mm
R: 7.9 mm
OL: 53 mm
Shank Diameter: 1/4 inch