This 60-piece set is loaded with #1 through #60 high speed steel wire guage drill bits (number drills)

• Includes #1 through #60 high speed steel drill bits
• Bits are forged with M2 grade steel and ground to provide high wear-resistance
• Use for drilling mild and standard steel, wood, plastic
• Packed in sturdy metal box with index multi-tiered racks
• Drill bits are ground with a 118-degree angled tip

Used for drilling all types of wood, precious metals, non ferrous metals, mild steel, bone, sea shells and plastics.