Description The DEWALT Black & Gold Metal Drill Bits feature a black and gold coating for preventing rust. The tapered web design provides extreme durability to resist breakage. The bits feature a 3-flats shank to reduce spin-out in the chuck and are made of heavy-duty High Speed Steel for drilling into a variety of materials including plastic, wood, and metal. Each bit features a 135 split point tip design to help reduce walking.135 Split point tip design to help reduce walkingHigh Speed Steel to be used in plastic, wood, and metalTapered web design for extreme durability and resisting breakageBlack and gold coating to help prevent rust and wearSize markings on the drill bit shank for finding sizes quickly