Description The DEWALT Black & Gold Metal Drill Bit Sets feature a black and gold coating for preventing rust. The tapered web design provides extreme durability to resist breakage. The DEWALT drill bits sets feature a 3-flats shank to reduce spin-out in the chuck. The Black & Gold metal drill bits 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 degree split point tip design to help reduce walking.135-degree split point tip of the drill bits for wood, metal or plastic is designed to help reduce walkingDEWALT drill bit set is made from High Speed Steel to be used in plastic, wood, and metalTapered web design for extreme durability and resisting breakage of the drill bitsBlack and gold coating to help prevent rust and wear3-Flats shank to reduce spin-out in the chuck*Size markings on the drill bit shank for identifying sizes quicklyBlack oxide finish for greater wear protectionItem Dimensions LxWxH: 1.7 x 9 x 9 inches