Drill America Masonry Drill, Series: DAM, 1/4 in dia, 18 in Overall Length, 1/4 in Shank, Round Shank, Right Hand Cutting Direction, Carbide Cutting Edge, Black Oxide, Applicable Materials: Brick/Concrete/Sandstone Drill America DAM18X1/4 Masonry Drill, 1/4 in dia, 18 in OAL, Black Oxide