Decimal Diameter 0.1654 Flute Length 2 1/8 Flute Length (mm) 54 Overall Length 3 1/4 Overall Length (mm) 83 Tool Diameter (mm) 4.2 Weight 0.02 lbs 2600042Type 2600Stock: In Stock.$24.75 Discontinued, While Supplies Last. Category: 2600-M