0.5000" (1/2) Cutter DIA x 0.5000" (1/2) Shank DIA x 4.0000" (4) Major Radius x 0.1250" (1/8) Tip Radius x 1.1013" Length of Cut x 4.0000" (4) Overall Length Carbide Oval Multi-Axis Finisher for Aluminum, 4 Flutes, NPLUS Coated - (HMAF-AL-40500-04-OVL)