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With the Knipex 00 11 06 V04 JointKey Quadro universal control cabinet key, you gain instant access to standard technical locking systems across facilities. Featuring eight integrated key heads, it operates ten common closure profiles, including square drives (5/6-7/8-9 mm), triangular drives (5/6-7/8-9/10 mm), and double bit (3-5 mm). The two folding swivel arms with 360-degree rotating carriers collapse neatly, allowing you to carry this all-in-one tool comfortably in your pocket or on a service belt. Equipped with a universal 1/4-inch bit holder, a 1/4-inch socket drive, and an ergonomic T-handle design, it delivers effective leverage for servicing switchboards, utility meters, and hvac enclosures.