The Knipex TwinKey® Service Cabinet Key for the actuation of locking systems from the areas of facilities engineering (heating and sanitation, air conditioning, electro technology), gas and water supply and shut-off-systems. Consists of two 4-way spider keys connected using magnets providing space saving storage.

It has the following functions:

4 x Square: 5, 6-7, 8-9 & 10-11mm.
3 x Triangular: 7-8, 9-10 & 11-12mm.
1 x Two-Way: 3-5mm.
1 x Half-moon: 6mm.
1 x Long Execution Conical Square: 6, 7, 8 & 9mm.
1 x Double Ended Bit (Slotted 1.0x7mm and PH2).