Drill bits made from high quality S2 steel material for ultimate durability, suitable for industrial use Strong magnetic and high precision. each edge can be accurately locked screws, no damage to the screw and the screwdriver head Not only can you use the bits on hand tools, you can easily insert them to any 1/4 inch hex shank power drill to use Extended torsion zone helps to absorb high-torque of new impact drivers Precision-engineered tips for a tighter fit and less CAM out Heat-treated manufacturing for stronger bit High-visibility sleeve with laser-etched markings for user convenience
high quality S2 steel material for ultimate durability, suitable for industrial use