Amazon has the BOSCH BL14 14-Piece Black Oxide Metal Drill Bit Set for $9.99 with free shipping on $25+ or with Prime. Included bit sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2".