Excellent quality and you won't miss a key. However, I believe it could be a little cheaper.

Very good multi-tool for apartment managers.
It opens elevator doors, gas meter cabinets, radiator vents, doors if the knob/handle has come off its place, etc.
Very good construction, corresponding to the name Knipex!
It could be a little cheaper (there are OEMs that are cheaper at 8-13€), but what can you do, you also pay for the name!

Very convenient, small, lightweight, and with the guarantee of knipex. So far, I haven't found anything that it can't open, a must-have for every toolbox.

Unbelievable multitool. It has keys for elevators, street cabinets, opens electrical panels, and provides ventilation for radiators. A tool that every rescuer should have with them, but also a technician