Finish: *Material: High Speed Steel *Number in Package: 1 *Packaging Type: Carded *Product Type: Step Drill Bit *Shank Diameter: 7/16 *Shank Type: Square Shank *Sub Brand: Unibit *Brand Name: Irwin *Style: *Flute Length: *Overall Length: 6 *Drill Size: #9 Vendor Internet Sales Policy: Sale of this product on third-party online marketplaces (eg. Amazon, eBay, Walmart) or member-owned websites is prohibited without direct written authorization from Stanley Black & Decker.