TAPERED C'SINK #12REPLACEMENT BIT *Countersink Size: #12 *Drill Bit Diameter: 7/32 in. *Material: High Speed Steel *Product Type: Replacement Bit *Number in Package: 1 pc. *Shank Type: Hex Shank *Drill Type: Tapered *Shank Diameter: 1/4 in. *Overall Length: 7.2 in. *Packaging Type: Carded *Adjustable: No