Special steel S2 affects the life of the product|Specially heat treated in the hardening process to increase the hardness of the tip to 60 HRC|Precision milled head tip allows for precise fitting into the screw socket|The special shape of the tip increases its resistance to twisting under the so-called torsion effect|Anticorrosion coating, blue colour, prevents rust|High-quality grip for 1/4 bits with a powerful internal magnet|A dedicated grip 1/4 enables the use of a manual screwdriver