Home High Security and Challenge Locks (520) EJLOCKPIX’s Box of Challenge Locks

(520) EJLOCKPIX’s Box of Challenge Locks


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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. Hi Bill! Do you still happen to have that master 6835 laying around? Or any other type of lightweight rekeyable lock? Would happily purchase one from you, let me know!

  2. Those look to be all standard American driver pins. Pins 0 and 1 aren't long enough for a serrations. The springs don't look standard though or they have been compressed.

  3. Glad to see you have made a safe return from your trip, hope all went well. I was beginning to go through new video withdrawal in your absence! 😀 Excellent work, as always. Looking forward to watching you pick your way through the remainder of that box, and that massive mail pile! Looks like Christmas arrived early for you haha.

  4. Damn Bill! Great job on that lock. That is the fastest I've seen it open. I had a bit of trouble with it before I sent it out to you. I figured the bitting would give you some trouble as it did for me. The springs were what I figured would give the trouble since they are very short.

  5. Nice picking as usual Bill. Wish I was on the mailing list your on to get so many new locks to play with. Lol. Keep doing what you do man.

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