Brand NEW! Our black gold accessories sets now come in ToughCase+ system, the latest addition to our acccessory storage line. The ToughCase+ system is a connectable case system designed to optimize storage space and keep your bits organized. The patented bit-bar design allows for easy bit removal and the clear lid allows you to see inside at a glance. Featuring 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. 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 split point tip design to help reduce walking. ? 135 Split point tip design to help reduce walking ? High Speed Steel to be used in plastic, wood, and metal ? Tapered web design for extreme durability and resisting breakage ? Black and gold coating to help prevent rust and wear ? 3-Flats shank to reduce spin-out in the chuck ? Size markings on the drill bit shank for identifying sizes quickly ? Connectable accessory storage system to optimize storage space ? Patented bit-bar design allows easy removal of bits and customizable placement ? Clear lid allows you to easily see contents at glance ? Clip latch for secure closing ? 10 piece set - All international buyers are responsible for all tax, duties and/or customs fees.