Head Length 1 1/4 Overall Length 3 1/4 Reamer Diameter 0.3930 Reamer Length 0.6610 Shank Diameter 1/2 Shank Length 2 Spotface Diameter 0.8880 Thread Size 7/16-20 Tube Number 4 Tube Size 1/4 Weight 0.33 lbs 279304Type 2793Stock: 1.$454.45 Category: 2793-F