The DeWalt DW5402 3/16-inch x 2-inch x 4-inch Rock Carbide SDS-Plus Hammer Bit can be used to drill holes in a variety of masonry types. The DeWalt DW5402 uses an elongated four flute helix for faster material removal while the Rock Carbide tip provides users with a longer bit life. Features: Great for drilling holes for anchors or drilli...