Features: Not only the opening (hexagonal) that comes into contact with the bolt/nut, but also the square drive section on the insertion side uses a surface-contact flat drive that reliably transmits high torque without damaging the corners.Comes with a sliding magnet.The nut is held in place by a magnet, which slides when tightening to allow the bolt to protrude beyond the nut.
Note C-ring (O-ring/pin) for preventing it from falling off is not included.
