• For hand-operated sockets with square drive as per DIN 3120, ISO 1174, with ball locking device • The holding magnet securely fixes the screws or nuts in the socket • One-hand operation - using the socket the screw or nut can be immediately screwed in • Thanks to a spring mechanism the holding magnet is always in direct contact with the screw head. It ensures that the screw is centrally guided • A strong permanent magnet keeps hold of even large screws • Makes work easier particularly in confined spaces • Hot forged • GEDORE vanadium steel 31CrV3, polished