Home High Security and Challenge Locks (854) Keith’s Challenge Lock

(854) Keith’s Challenge Lock


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My vises are made by Panavise, a U.S. Company.  The one with the wide jaws is the model 350.  The smaller one is the model 301. Both have the 312 Base mount – www.panavise.com




  1. Would putting the key back in work if you got pins stuck in an upside down key way and you can't get it out with a pick and rotating?

    1. No, would not work. Nice idea though! The key back pushing up on the driver pins would be fine , but the biting (?bit-ting?) would be down and you would be trying to push those key pins into a solid area. I don’t think the key would actually even start in. In a previous video where Bill had this issue he resorted to a small feeler knife due to its perfectly straight back edge.

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