Wera 8796LA EXTENSION LONG FLEXIBLE LOCK 1/4" DRIVE/150MM ZYKLOP
1/4" square drive sockets with ball lock. Flexible lock system either for permanent interlocking or fast change of accessories, free-turning sleeve for rapid tightening or loosening of screws and nuts, chrome vanadium, brushed chrome-plated finish. By using this flexible-lock system, attachments can be fixed to the extension permanently, preventing slipping and any unintentional loss of the attachment. When the lock is deactivated the sockets can be attached as usual and changed in a flash. The free turning sleeve on the extension effectively speeds up the tightening or loosening of screws and bolts.