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Product Review

  • Irwin step drill bit set includes a number 1 bit, number 2 bit and number 3 bit
  • High-speed steel allows you to work quickly on most materials
  • Straight bit flute protects thin materials from distortion during drilling
  • Irwin drill bit set includes on-bit measurement marks for accuracy
  • Specialized tips prevent skidding at connection point, under pressure

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