- Constructed of M-42 8 percent Cobalt Alloy Steel for super abrasive resistance in tough metals
- Cobalt Alloy Steel steel extends cutting edge life and maintains cutting life after resharpening
- Extra hard drill for greater wear
- 135° Split point tip starts on contact, cuts with less force
- Rubber overmolded case protects kit if dropped
- Tap and Drill selection chart for convenient reference
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