Universal key Profi Key, patented, universal locking range made of die-cast zinc, with heating vent lock in the center hub, for door handles, window handles, sanitary, new building areas and technical locks, including chain, adapter and reversible bit. Adapter for 1/4' bits and reversible bit for: slotted screws 7 mm, Phillips screws PH 2, square socket 5, 7, 8 mm, triangle socket 9 mm