Decimal Diameter 0.1969 Carbide Length 1/2 Flute Length 1 1/8 Number of Flutes 4 Overall Length 4 1/2 Shank Diameter 11/64 Tool Diameter (mm) 5.0 Weight 0.03 lbs 2410050Type 2410Stock: 1.$73.60 Category: 2410-M