Knipex 00 11 06 v01 universal key construction knipex 00 11 06 v01 p this construction universal key from knipex has been manufactured for locking systems in electrical engineering the supply of gas and water air conditioning and ventilation systems industry technical installations in buildings designed to offer 9 different die cast zinc key profiles in one tool with plug in magnetically held support and a catch for locks with profile cylinder hole and male square in steps br p