Master Lock 178D Set Your Own Combination Lock, Black, 1 Pack

It works great; it's affordable yet high-quality, and highly recommended.

This is a light and smallish look, with the shackle about 1-inch (thumb-tip to thumb-knuckle) across. A determined thief will kill it with a bolt cutter without too many problems, but as a casual deterrent it'll do a great job. The combination mechanism is in the bottom of the lock, with a small plastic "skirt" around it that will direct water away from the mechanism unless you install the lock the wrong way up! It's also quite neat in that it will only re-lock after you have scrambled the access code. If you try to close the lock with your desired combination still set, it'll refuse to lock. You can't click it closed but inadvertently leave it openable just with a pull. Setting or altering the combination involves a separate side key that is used to override the security mechanism - provided you have entered your existing code first. You will need to keep this side-key safe somewhere. Value for money, yes! We have other Master locks and they work well even after years in the elements. It's a bit bulky compared to a key lock, but seems solid enough.

I bought this a few months ago for my locking up my shed. I wanted a coded lock to avoid having another key. The lock is very sturdy and secure and absolutely no rust so far. Very happy with my purchase

This is a nice, easy to use, sturdy combination lock however it should only be used as a visual deterrent. Unfortunately the lock is not shielded and a small shim or knife can be pushed past the dials to bypass the locking mechanism in less time than it takes to enter the combination.

Poor product, stopped working inside 3 months, not of saleable quality

This is a review of the Master Lock 178D Set Your Own Combo Padlock. I will do my normal list of specs-cool features and then list a summary as to my thoughts after using. -This is made of die cast metal and has a black finish to help protect it from the outside elements.) -It has a 2” wide die cast case and a 1” shackle. Diameter of the shackle is 5/16”. -Comes with 1 change key. -Operate by using a four digit number combination you set. -Unlike a lot of locks, this is a very well built solid lock designed for outdoor use. -To use, enter the combo and push down the shackle and then pull it up to unlock. Summary – I am using these on my two sheds. The combo is easy to set. You simply unlock the lock – open the shackle, insert the key – turn 90 degrees, set the combo of your choice and then remove the key. I really like this feature as I wanted my two sheds to have the same combo so I do not forget and for simplicity. The movement of the dials has a slight clicking and bump feel as you move the numbers vs. being an easy roll. (Might get smoother with time.) I like this as it is easy to lock your digits in and know they are aligned right. Whatever you do, do not forget the combo. The key is only for changing the code and will not open the lock. I am very happy with this lock and all master locks in general so far. Good make and reliable. Highly recommend.

I frequent the gym 5 days a week and in doing so, you become more exposed to potential theft. Unfortunately, our gym discovered that someone was using bolt cutters to cut locks and steal belongings from customers whilst they worked out. All the lockers that were targeted had a cheap lock made out of inferior material and thin shackle, so I decided to purchase a superior lock just in-case I would become the next target. I have been using the Master Lock 178D for 3 days so far and I am very impressed with the quality of the lock. The material/durability is exception for the price you pay and programming the lock is a breeze - it took me 2 minutes. In addition, the shackle is thick enough to discourage a thief, as it would take a significant amount of effort to cut this lock. Overall, I am very satisfied with the security and experiencing using this lock and would highly recommend it. You can't go wrong for $20 and prime 2 day shipping!

The Lock is of Very Good Quality...Heavy and Strong....This is the first time I ever purchased such a good lock...

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Very robust