Drill Bit Set, High Speed Steel Jobber Bits 1/16"-1/2"The high speed steel jobber length drill bits in this set provide a range of sizes so you'll never be without the right bit. These bits are made to absorb more shock and vibration than cobalt and carbide jobber length drill bits, making them acceptable to use in both manual drilling machines and handheld power tools. They may leave a rough finish on the hole. This set contains drill bits from 1 16" to 1 2". 29 bits in total. See picture for all sizes