•For hex head screws, bolts and nuts<•br>Strong permanent magnet<•br>Sturdy bits for heavy duty applications<•br>Impact bits are suitable for impact drivers<•br>Designed for long-term use, the torsion zone can effectively spread the force concentration<•br>It absorbs torque peaks, avoiding premature wear and tear and improving service life<•br>High performance alloy steel<•br>Manganese phosphate finish<•br>1/4" hex drive, suitable for power tools with DIN 3126, ISO 1173, style E 6.3<•br>In plastic holder with 1 piece