Brand Name: IRWIN | Material: High Speed Steel | Number in Package: 1 pc. | Overall Length: 12 in. | Packaging Type: Carded | Shank Type: Straight Shank | Usage: Masonry | Flute Length: 8 in. | Drill Size: 3/8 in. Bit will fit all hammer drills with 3-jaw or Jacob | Drill bit | Copper braze material gives high heat resistance for reduced tip loss | For masonry drilling | Round shank fits all hammer drills with 3-jaw chuck | Straight shank | Made to ANSI specifications | Delivers more performance than ever | The patented flute design speeds dust removal for fast drilling and long life, while the shot-peened finish increases surface durability reducing the potential for breakage | Chrome vanadium spring steel shaft, tough hardened to 50-53HrC to extend life | Carbide tip, hot isostatically pressed to extend life and resist breakage