1/2"Dr. Extension Bar with Magnetic Bolt Retention

For hand-operated sockets with square drive, 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
CR-V steel,satin finish