Master lock 140

by Isaac

How do you pick a master lock 140, I just began lockpicking and I can't even get the first pin up. I've seen some videos and they say it has a security pin or something. How do I pick it, I need some detailed instructions for a begginner.

P.S. I have a homemade tension wrench made out of a uniball pen part, and a pick with a hook made out of a paper clip, I might be getting and actually set later if I can pick this lock.

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Mar 03, 2015
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by: Sunny

I don’t think so difficult to pick master lock 140. When I have tried to pick it, there was no problem regarding it. You just check whether it has any other problems or not. Continue sharing your doubts. EMR

Nov 15, 2010
by: Anonymous

youre all fools this was my first lock and i can pick it in less than 3 seconds


Nov 15, 2010
by: Anonymous

youre all fools this was my first lock and i can pick it in less than 3 seconds


Nov 15, 2010
by: Anonymous

youre all fools this was my first lock and i can pick it in less than 3 seconds


Sep 21, 2010
Same here
by: SeaWookie8

I laughed when I saw this because I am literally in the same exact situation. this is the first lock I've tried so far, and Ive been able to get to the slight rotation described above but I always bend my paperclip on the security pen. Still waiting on my picks in the mail

Jun 01, 2010
by: Anonymous

Okay, I know how you feel, I really don't know if the lock you're talking about is a padlock or one of those locks that you spin; because I just started myself. What I reccomend is going to Youtube and typing in, "How to crack, not pick a master lock in just a few minutes!" You turn out to have 100 combinations instead of 64,000. although I never did crack the lock I worked on, I do know that it will take two to four hours. I am pretty sure this site will work, but I have doubts. If you just want to put the lock somewhere, get a padlock shim set they work(even though I have never tried one.) Do research and soon you'll crack it. Good luck!

Jan 12, 2010
homemade picks
by: Anonymous

I would also suggest making a sturdier pick than a paper clip. They bend too easily to be able to pick standard locks well, especially when you're learning. If you have access to a bench grinder, it is pretty easy to make your own picks out of windshield wiper inserts, or hacksaw blades, etc.

May 20, 2008
Picking security pins
by: Webmaster

Yeah, the 140 can be tricky for beginners. Check out lock pick videos and lock picking techniques. Basically, the first pin is not always the security pin, I don't think. You have to pick all the pins, making sure not to false set them (aka don't let them bind). When done right, you should feel the cylinder rotate slightly - this means you picked everything right except the security pin. Now, VERY SLOWLY let up tension, while pushing hard on the security pin with the hook. You'll know which is the security pin because it is the one that is rigid and dropped down furtherest. Also, while the other pins have lost their 'springyness', the security pin will have none, and will be completely rigid after you got the cylinder to rotate slighty. Good luck!

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