Knock N’ Lock

Here is a short video I took of this marvelous cylinder today.

This cylinder is sold to one of my customers but I can I was very sorry to let it go..

Knock n lock is an Israeli invention in which the lock is operated by electric pulses or knocks.

This entry was posted on April 29, 2014 by raf. It was filed under Articles, knock n lock .

Wolverhampton Locksmiths

Interesting design. I suspect it is easily vandalized with so much leverage provided by that huge handle though. Rick

May 13, 2014 at 11:56 am

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Pedro

Wow! How secure is it?

May 26, 2018 at 9:28 am

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