Brand Name: DeWalt *Length: 1 in. *Material: Hardened Alloy Steel *Style: Key Ring *Product Type: Quick-Change Hex Extension *Shank Diameter: 1/4 in. *Shank Type: Hex Shank *Number in Package: 5 pc *Accepts Shank Diameter: 1/4 in. *Impact Rated: No *Quick-Change Mechanism: Yes *Packaging Type: Carded *Magnetic: No *Vendor Internet Sales Policy: Sale of thisproduct on third-party online marketplaces (eg. Amazon, eBay, Walmart) or member-owned websites is prohibited without direct written authorization from Stanley Black & Decker