[High Quality]: Adopted high quality S2 alloy steel, which is impact resistant and tough, great wear resistance.
[Exquisite Craft]: Exquisite workmanship, each edge can be locked precisely, no damage to the screw and screwdriver head.
[Easy to Use]: Strong magnetic, can easily suck the screws when using.
[7 Sizes]: There are 7 different sizes/sets. So it is convenient for you and can meet your different needs.
[Widely Used]: With 1/4 inch hex shank, they are widely used for electric screwdriver, hand screwdriver, electric drill, etc.