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professional quality for the toughest screw connections and a long service life ¼" hexagon drive (ISO 1173 shank - E 6.3) for use with cordless screwdrivers and power drills high-quality inner magnet holds the screw or nut securely
professional quality for the toughest screw connections and a long service life ¼" hexagon drive (ISO 1173 shank - E 6.3) for use with cordless screwdrivers and power drills high-quality inner magnet holds the screw or nut securely