The KNIPEX easy to carry pen-style control cabinet key includes a pocket fastening clip. The 4 different key profiles can be utilized by swiveling the key holder for control cabinets and shut-off systems in the supply of gas, water and electricity. Use for technical installations in buildings, e. g. air conditioning and ventilation systems, shut-off valves, mains switch-boards, etc. The universal 1/4 bit adapter is included for standard bits (permanent magnet for retaining). Includes 2 reversible bits: cross recess PH 2. The tool body is made of plastic, with fiberglass-reinforcement.