Fractional Diameter 1 1/4 Decimal Diameter 1.2500 American Standard Number 810 Decimal Width 0.2500 Neck Diameter 0.374 Number of Teeth 3 Overall Length 2 1/4 Shank Diameter 1/2 Undercut Length 3/8 Weight 0.20 lbs 27040810Type 2704Stock: 3.$172.85 Category: 2704-F Price Each - Based on Quantity OrderedDecimal Size Range0.2340 - 0.2650