Decimal Diameter 0.8071 Carbide Length 3/4 Flute Length 2 1/2 Number of Flutes 6 Overall Length 9 1/2 Shank Diameter 5/8 Tool Diameter (mm) 20.5 Weight 0.88 lbs 2400205Type 2400Stock: 2.$99.90 Category: 2400-M