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: 25.4 mm
D: 1 inch
C: 13 mm
B: 9.5 mm
B2: 12.7mm
R: 6.3 mm
OL: 64 mm
Shank Diameter: 1/4 inch