BLACK OXIDE DRILL BIT SET 21/PC

The Bosch Black Oxide 21 Piece Drill Bit Set contains drill bits that are constructed of heat treated steel with a black oxide coating. The bits have a split-point tip for no-skate starts and clean holes, as well as three-flat shank design on bits 3/16" and larger for better grip. Each bit is marked with high visibility diameter identification. Designed for universal drilling applications, including drilling in wood, plastic and light-gauge metal. The bits come in a plastic storage case.