Wera Magnetic socket rail C Deep 1 socket set, 1/2" drive, 6 piecesKey Features: 6 piece socket set on socket rail, 1 2" Rail with secure bit mounting and yet easy removal (twist to unlock) for temporary attachment on wall, shelf or workshop trolley Smooth Twist to Unlock mechanism for a secure fit and simple removal of the sockets Long "socket for low profile fitting screw connections in tight construction spaces and for protruding threaded rods Hexagonal profile enables precise and profile preserving screwdriving