OCB1824 Features: * Cutting spurs on the edge of the bit score the outer edge of the hole before the cutting edge removes the material * Folding nylon storage pouch * Carded Includes: * Set includes 1/4"", 3/8"", 1/2"", 9/16"", 5/8"", 11/16"", 3/4"", 7/8"", 1"", 1-1/8"", 1-1/4"", 1-3/8"" and 1-1/2"" drill bits