Decimal Diameter 0.1890 Flute Length 2 5/16 Flute Length (mm) 59 Overall Length 3 1/2 Overall Length (mm) 89 Tool Diameter (mm) 4.8 Wire Letter 12 Weight 0.03 lbs 269212Type 2690Stock: In Stock.$27.20 Discontinued, While Supplies Last. Category: 2690-M