Bullnose Bits are the perfect choice for the edges of stair treads, window sills, shelves and more.  You can create an oval edge (thumbnail) by using a bit with a bead opening greater than the thickness of the stock. Woodline USA's Bullnose Router Bits feature a guide bearing which allows use with a pattern. Carbide tipped.

Set includes:

1. 1/4″ Bead Opening
2. 3/8″ Bead Opening
3. 1/2″ Bead Opening
4. 5/8″ Bead Opening
5. 3/4″ Bead Opening
6. 1″ Bead Opening

1/2" Shank only.  All packaged in an attractive wood box.