Very useful and effective to remove damaged and/or rusted screws easily  and quickly. Each double-acting drill bit drills through the head of the  screws and then effortlessly removes them.
  
Material: Made of hardened steel (60 HRc)
  
Colour:Grey
Black
  
Type: Spool set
  
Units: 4 Units
  
Characteristics: High strength and hardness
  
Compatible: Suitable for any drill
  
Approx. dimensions: Approx. length of drill bits: 5 cm
  
Suitable for:Screws: 16-24 / bolts: 10 mm
Screws: 11-14 / bolts: 8 mm
Screws: 8-10 / bolts: 6 mm
Screws: 4-7 / bolts: 5 mm