Makita P-19663 Standard Masonry Twist Straight Shank Drill Bit 3 x 60mm The Makita P-19663 Straight Shank Drill Bit is ideal for applications such as Brick, Block, Stone and Light Concrete. Features: Tungsten carbide tip Good cutting speed and durability Manufactured to DIN8039 standard High-quality drill bit for use with percussion drills on brick, block, stone or light concrete Specification: Pack Quantity: 1 Diameter (D): 3 mm Overall Length: 60 mm Working Length: 30 mm