The Knipex 00 11 Universal Key is a multi-profile service key designed for accessing control cabinets and locking systems across electrical, gas, water, HVAC, and building services installations. This compact 90mm tool consolidates nine different die-cast zinc key profiles into a single implement, eliminating the need to carry multiple specialist keys on site. Ideal for electricians, HVAC engineers, and service technicians who regularly work with utility cabinets and control panels, this universal key provides access to the most common locking mechanisms found in commercial and industrial settings. The die-cast zinc construction ensures durability whilst keeping the tool lightweight and portable. The key includes a detachable chain with snap hook, allowing secure attachment to a belt loop or tool bag for quick access. Supplied on a self-service card blister pack, the tool covers square profiles from 5mm to 10mm, triangular profiles from 7mm to 11mm, plus double-bit configurations and h