Control Cabinet Key Standard key for technical installations in buildings, e.g. air conditioning and ventilation systems, shut-off valves, main switchboards, etc.. For 4 different locking systems. With reversible bit: 1.0 x 7 mm slot and PH2 cross slot. With adapter for 1/4 bits chained to key. long execution, total length 72 mm. additional square of 5 mm. - Capacity double-bit key: 3 – 5mm- Capacity square: 5.0 / 6.0 / 8.0mm- Capacity triangular: 7.0 / 9.0mm- Bit holder 1/4 (hexagon socket): 1/4 in14- Bit: PH2 / slotted 1x7