Head Length 1 Overall Length 3 Reamer Diameter 0.2150 Reamer Length 0.4070 Shank Diameter 1/2 Shank Length 2 Spotface Diameter 0.6500 Thread Size 1/4-28 Tube Number 1 Tube Size 1/16 Weight 0.21 lbs 279301Type 2793Stock: 1.$466.40 Category: 2793-F