Fractional Diameter 1 1/4 Decimal Diameter 1.2500 Bolt Diameter 5/8 Neck Diameter 21/32 Number of Teeth 6 Overall Length 3 15/16 Shank Diameter 1 Tool Width 31/64 Undercut Length 1 9/64 Weight 0.94 lbs 272120Type 2721Stock: In Stock.$329.40 Category: 2721-F