0.2500" (1/4) Cutter DIA x 0.2500" (1/4) Shank DIA x 8.0000" (8) Major Radius x 0.0625" (1/16) Tip Radius x 0.0156" (1/64) Corner Radius x 0.0433" Length of Cut x 2.0000" (2) Overall Length Carbide Taper Multi-Axis Finisher for Aluminum, 4 Flutes, NPLUS Coated - (HMAF-AL-40250-08-T75)