MARXMAN Masonry Drill, General Purpose Long Length, Series: 543, 1/4 in, 18 in Overall Length, 13 in Cutting Depth, 2 Flutes, Standard Flute, 13 in Flute Length, 1/4 in Shank, Straight Shank, 118 deg Point, Standard Point, Right Hand Cutting, Carbide Cutting Edge, HSS, Black Oxide, Applicable Materials: Brick, Stone, Concrete, Slate, Plaster and other Masonry Materials