Home High Security and Challenge Locks (960) Greco-American Puck Lock

(960) Greco-American Puck 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. I am still poking and picking at a locking alarm switch, and it is making me look like a bumbling idiot. I don’t know if I need to apply downward force while I tension the lock or what, but as soon as I get it, it’s headed for Bill’s PO Box. I don’t think it has more than 4 pins, and it is kind of like an M shaped barrel lock where you push the pins straight back into the keyway. I am not James Rockford PI when it comes to lock picking, unless someone has an old Home Cheapo Kwikset lock, or an old worn out Schlage. I used to call the puck locks “Asprin” locks, because the IRS was famous for using them to lock up businesses the shut down to audit the inventory and books, and we used to joke, you need an asprin the size of the lock for the IRS induced headache.

  2. (I’ve already left a comment with my YouTube channel name, but I’ll happily repeat it)
    Majority of all of your video’s, William, any Sparrow kit set would have easily eaten that puck lock for breakfast.

  3. Greco I would think is either a locksmith company, or some sort of rental property /storage facility in the NY area.
    The number doesn't seem to be around any longer, but depending on how long ago this lock was used, it might be more simply the number split since 212 is a very old area code.
    With looking that up, I do find Greco Win-Dor which has the 718 area code. They seem to be a steel door, and maybe more company with no online presence of their own.

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