Used for carving decorative doors and sign manufacturing. Up-cut design leaves an excellent finish and expels chips quickly, #46384, direction up-cut, (d) diameter 1/2, (r) radius 1/4, (b) cutting height 2-1/8, (d) shank 1/2, overall length (l) 4, flutes 2, 46384 solid carbide up-cut ball nose spiral 1/2 dia x 2-1/8 x 1/2 inch shank router bit.