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Product Description
3 Pcs Step Drill Bit set
*HSS material
*Heat treated
*2mm/step
*Titanium coating surface
*Packed by double blister
*Available sizes: MM or Inches
MM: 4-12mm, 1mm/setp; 4-20mm, 2mm/setp; 4-32mm, 2mm/setp
Inches: 3/16-1/2 Inch; 1/4-3/4 Inch; 1/8-1/2 Inch
- *Packed by plastic case