1. 100% brand new and high quality.
2. Two-flute design gives you faster, smoother cut.
3. Cobalt coated cooler for smoother cutting.
4. AUTO START-No need for a pilot hole.
5. cobalt coated to reduce friction and run cooler prevent sliding on mandrel.
6. Automatically burr holes as you drill.
Material: High Speed Steel 4241
Surface: roasted yellow black treatment
* 6 - 35mm (6mm, 8mm, 10mm, 13mm, 16mm, 19mm, 21mm,23mm,26mm,29mm,31mm,33mm,35mm)
* 4 - 22 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm,14mm, 16mm, 18mm,20mm,22mm)
* 6 - 18mm (6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm)
* 4 - 12mm (4mm, 5mm,6mm, 7mm,8mm, 9mm,10mm, 11mm,12mm)
* 4 - 12 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm).
5pcs Pagoda Step Drill