The Knipex 00 11 Double Joint Control Cabinet Key is a versatile multi-profile key designed for accessing control cabinets and locking systems across electrical engineering, utilities, and building services. This professional-grade tool combines four different zinc die-cast key profiles in a single compact unit, making it an essential piece of kit for electricians, HVAC engineers, and maintenance contractors who need to access various cabinet types without carrying multiple keys. With a total length of 97mm, this control cabinet key accommodates square profiles from 5.0 to 8.0mm, triangular profiles from 7.0 to 9.0mm, and double-bit keys from 3 to 5mm. The integrated bit adapter accepts standard 1/4" bits and features a magnet for secure bit retention, adding screwdriving capability to an already versatile access tool. Ideal for work in electrical installations, gas and water supply systems, air conditioning and ventilation systems, and technical building installations, this key eliminates the need to carry separate tools for different cabinet types. The compact design is supplied on a self-service card blister for easy storage and transport. Features and Benefits: • Four key profiles in one tool for versatile access to multiple cabinet types • Magnetic 1/4" bit adapter for screwdriving tasks • Durable zinc die-cast construction for professional use • Compact 97mm length for easy pocket carry Specifications: Total length: 97mm Capacity square: 5.0 — 8.0mm Capacity double-bit key: 3 — 5mm Capacity triangular: 7.0 — 9.0mm Bit adapter size: 1/4"