Used for carving decorative doors and sign manufacturing. Up-cut design leaves an excellent finish and expels chips quickly, #46380, direction Up-cut, (D) diameter 1/2, (r) radius 1/4, (b) Cutting height 1-1/4, (D) shank 1/2, overall length (L) 3, flutes 2, 46380 Solid Carbide Up-cut ball nose spiral 1/2 dia x 1-1/4 x 1/2 inch Shank router bit