Carbide end mill has features that include grade- C2 micro grain, list number- 243 . Type- general purpose, end style- Ball nose End Double Dimension type fractional inch diameter- 1/2, shank diameter- 1/2, length of cut- 1, overall length- 4, number of flutes- 2, cutting type- center cutting, direction- right hand, helix angle- 30 degrees, finish Uncoated Application used for general purpose milling in the metal working for slotting, production milling, Pocketing, Plunging and finishing applications in cast iron, non-ferrous metals, plastics and abrasive materials. Flute geometry allows for maximum chip removal and roughing capabilities, standard, flute length- for general all purpose milling.