Home Uncategorized (29) Viro Cylindrical Padlock Secret Revealed & SPP’d

(29) Viro Cylindrical Padlock Secret Revealed & SPP’d


LockLab is Fan funded!  Help pay for stuff to review, break and talk trash about, and maybe even give away when we’re done.  Join the Tribe!

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'm pretty sure I had a lock just like that in college. It had the extra pin on the bottom and everything. I had to get rid of it because I could never get the key to turn during wintertime.

    Now that I know what I do, I think it was the pin tolerances. …Or maybe it had more to do with the bottom pin getting moisture behind it (since it rests upside down) and freezing solid, but who knows?

  2. It's interesting for the honest people to see and learn what you are showing in this videos. But did you and other professional locksmiths on YT ever stop to think that many more offenders then honest people watch this videos, and commit crimes much easier ? For example i learned to pick locks watching this type of video content. I admit i'm not very good at it but that's because i'm not interested in pursuing a criminal career "not yet anyway". :-))

  3. Have u ever picked Malaysia Brands? St Guchi and Gere. I think you would like them, since many have said they are strong enough for pick-resistant. Im not a lock-picker, so i take their words :)

  4. I received a 70mm version of this lock today – used, from eBay – and followed your tip about using a cut key to defeat the detent in the bottom of the keyway. What I discovered is that on my lock, once the detent pin is depressed I can get enough turn on the core to keep the detent pin down, meaning that I can then remove the half key while using TOK tension and have the keyway open for the pick. I also noticed that on my lock, the spools feel like regular spools. Disappointingly I got an open in about two minutes.
    So my conclusion is that older cylindrical Viros might have had looser tolerances and regular spools, or that wear might have allowed the detent to be held down by a small turn on the core. Either way, if you run across a Viro with some miles on the clock try swapping tension once the detent is down. At least you get more room to work.
    BTW I also tried picking as you showed (with the half key "depressor" in place) and it was a hellishly tight squeeze. Haven't got it open using that method yet, but an open's an open, right? – however you get it!

  5. Did you ever get to gut these Viros? I'm curious what all is in there… If you haven't do it in a new video… Your choice though, seeing as the only option may be to pop it on the milling machine to autopsy it and that these are so damn well-made for 4-pinned padlocks..

  6. Heh! I'm a total n00b and this damn Master 140 is giving me fits. Yeah. So I'm thinking, "I own a lot of locks I don't use, I'm gonna pick me the MOST bitch-made pin tumbler lock I own.
    So I fixed on this brass Master lock. 4 pins, small, and oh, yeah: it's a master lock!
    I've been at it four days now, still no love. I think I'll throw a party the day I get this opened; Invite lots of people over, have a few kegs, maybe a D.J. and some lights…..I'll tell them if they can't pick this thing in four hours, they have to split the catering bill amongst themselves and everyone else who fails.
    By-the-way; the bitting doesn't help, either. It's some crap like 8-4-8-4 or something. I don't have a key gauge, but yeah, the damn bitting profile looks like a sawtooth wave on my oscilloscope…..

  7. I do not believe thay use it but thear is a secerity pin that is mushroomed at the top and has what looks like a file looks on the rest of it making it hard to pick as it will keep ketching the sides of the cylnder

  8. As per video presentation, definitely good quality locks as not forgetting the person picking the lock is grasping and picking with the pin hole towards face.

    I have seen how difficult it is in real locking situation where the lock is located just above knee level, meaning you got to sit or squat and a 35 Deg C morning sun was shining at the gate. The locksmith was really perspiring 🙂 Good locks, good price.

Comments are closed.

WP Facebook Auto Publish Powered By : XYZScripts.com