Brand Name: Ace
*Drive Type: Square Recess
*Size: #2 in.
*Length: 2 in.
*Product Type: Screwdriver Bit
*Material: S2 Tool Steel
*Number in Package: 18 pc.
*Magnetic: No
*Packaging Type: Boxed
*Shank Diameter: 1/4 in.
*Shank Type: Quick-Change Hex Shank
*Impact Rated: No
*Square Recess fasteners make a secure fit on the driver bit - Commonly used in construction, framing and decking applications