Home » 4 Pc Black & Gold Drill Bit Set 9/16″ – 1″ 4 Pc Black & Gold Drill Bit Set 9/16″ – 1″ Specifications Sizes: 9/16", 5/8", 3/4", & 1" 135 degree split point Gold surface treated with black oxide coating 3 flats on shank Black case included Item Number: TAR4BG