DEWALT's 5/32 in. x 4-1/2 in. x 6-1/2 in. SDS-Plus Rock Carbide Masonry Hammer Drill Bit features a 6-1/2 in. overall length with a 4-1/2 in. flute length for effective material removal during drilling. The carbide cutting tip helps maintain drilling performance through demanding masonry applications, while the SDS-Plus design supports use with compatible hammer drills and rotary hammers. Supplied as a 25-piece pack, these masonry drill bits provide convenient replacements for high-use job sites and repetitive installation work where multiple holes are required.