Universal key for residential low-voltage wells and water meter rooms

Are you also bothered by property management locking utility rooms? This universal key for utility rooms can open most utility rooms in domestic residential communities. Pinduoduo sells them in bundles of 6, but only one is useful. I have made this useful one into a 3D printable model, and after printing multiple test versions, it now works smoothly.

It should be noted that if you want to replace a steel key, please use reinforced material. Ordinary materials cannot withstand the threshold torque when unlocking and may break.

If you only have ordinary materials, you must use steel material (such as a steel ruler or flathead screwdriver) close to the root of the key when inserting it into the keyhole to help bear the torque.

If this helps you, please boost me, thank you!