Force key for QB cylinder (France)

Self-impression key bit for opening QB type locks.

It is recommended to use cut foil with a thickness of 0.06 mm.

Text in the video: Hello! These are QB cylinders. The profile is standard, but it doesn't open very well with a regular impression, so a power key was made for it. Power impression. Standard foil 0.6. Since the impression is power, you can use a little bit of WD. We make a form, put it on the working part. I slightly crumpled the foil. So again. We insert it as far as it will go. And we start slowly, gradually increasing the load. Let's try the key. The lock`s remained working.