Control cabinet key for control cabinets and shut-off systems in the supply of gas, water, and electricity. Suitable for technical installations in buildings, such as air conditioning and ventilation systems, shut-off valves, and main switchboards. Features a bit insert: slot 1.0 x 7 mm and cross recess PH2, with an adapter for 1/4 inch bits chained to the key. Capacity includes half-moon, square (5/6/8 mm), step-like square, triangular (7/9 mm), and various clamping widths for hexagon, round, and square shapes.