Easy to carry pen-style control cabinet key with fastening clip. Three different key profiles can be utilised by swivelling the key holder. Multi-purpose wrench for access on construction sites with profiles for the areas of heating, air conditioning, plumbing and building technology, e.g. for door and window handles or for radiator-bleeding. Universal 1/4" bit adapter for standard bits (permanent magnet for retaining). Additional bit adapter for 1/4" bits inside one key profile. With inserted bit: cross recess PH2 and possibility of safekeeping a second bit. Tool body: plastic, fibreglass-reinforced. Key profiles: zinc die-casted. Practical clip for easy transport. Key for heating, air conditioning, sanitary and building technology, e.g. for door and window handles or for radiator-bleeding. Easy to carry pen-style control cabinet key with fastening clip. Universal 1/4" bit adapter for standard bits (permanent magnet for retaining). Additional bit adapter for 1/4" bits inside one key profile. With inserted bit: cross recess PH2 and possibility of safekeeping a second bit. Corpus and fastening clip made from GRP plastic material- tool holder and key profiles zinc diecast. Three different key profiles can be utilised by swivelling the key holder. Multi-purpose key for the builder.