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Master Lock 175D Resetable Combination Lock

Master Lock 175D Resetable Combination Lock

(80 customer reviews)

List Price:
Our Price:	$21.49
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SKU:

200589

In Stock

Usually ships in 3-4 business days

Description:

Reset combination lock. 2" wide resettable 4-digit combination lock, zinc die-cast case for strength and durability. Case-hardened steel shackle 5/16" thick. Combination changer fully protected from tampering while lock is closed. Positive-action change

Features:

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Reset combination lock

•

2" wide resettable 4-digit combination lock, zinc die-cast case for strength and durability

•

Case-hardened steel shackle 5/16" thick

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Combination changer fully protected from tampering while lock is closed

•

Positive-action change key

Product Details:

Product Length:	6.56 inches
Product Width:	3.5 inches
Product Height:	1.18 inches
Product Weight:	0.44 pounds
Package Length:	6.1 inches
Package Width:	3.0 inches
Package Height:	1.0 inches
Package Weight:	0.55 pounds
Average Customer Rating:	based on 80 reviews

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Customer Reviews:

Average Customer Review: 3.5

( 80 customer reviews )
Write an online review and share your thoughts with other customers.

Most Helpful Customer Reviews

23 of 26 found the following review helpful:

Constructron Worker RatedJan 02, 2002

I have owned 4 of these locks; one for 7 years and it has been outside on the front gate to the truck yard the entire time.
It is opened and closed 1 to 2 times a day, with out any problems.
The other 3 are inside locks and have changed combos on them with out any problems.

28 of 33 found the following review helpful:

Lock failed after 1 year (Yes, I wrote down the combo and used it successfully before)Dec 26, 2009
By Timothy Lam "trustedsince1996"
Count me in as another user that couldn't open the Master lock (#177, same mechanism as #175) after it had been outside for a little more than 1 year (bought it on Oct 2008). Yes, I wrote down the combination and it worked several times before. It was used to secure my circuit breaker box which is on the outside wall of my garage (go figure why the builder don't put it inside!) I only opened it when I had to reset a circuit breaker that was tripped and last time I successfully opened the combo using my written combination is when I had to turn off the breaker to replace my kitchen ceiling light fixtures. I was surprised when I cannot open the lock the other day (to reset a breaker) using the same combination that I have always been using. Needlessly to say I am not happy with the thought of additional expense and inconvenience of hiring a locksmith to open this malfunction lock...

Then I had an idea to look online for help and found out how easy it is to pick this lock if you happen to have the right tools (paper clip or a thin piece of metal). I tried the paper clip method for about 15 minutes and gave up. Then I found a video clip using a thin piece of metal and bingo! The lock opened right up after trying for about 10 minutes... I have never picked a lock before and definitely won't try to pick one that is not mine, and you shouldn't too. This is way too easy even for an amateur like me! I can't believe it! What's the point hardened steel and all these security feature to prevent cutting, prying when all you need to open this lock is a paper clip or a thin piece of metal? This lock's internal mechanism is the same as the Master Lock Model #175 and it looked like this simple lock picking method has already been discovered since 2006. I can't think of any good reason why Master can't come up with a new design that can resist this type of picking in 3 years! I definitely won't be buying another Master Lock again!

8 of 9 found the following review helpful:

Excellent lock, hard to read digits in dim lightNov 30, 2008
By Jonathan K. Perkins
I use a few of these for the gates around my home, and they seem to be excellent quality. My only quibble is that the numbers are quite small and difficult to read at night, even with my porch light nearby. The need to carry a flashlight pretty much negates the convenience of not needing to carry a key.

8 of 9 found the following review helpful:

Handy lock that works well except in feezing weatherNov 30, 2005
By D. Navarre
I use these on my outdoor storage sheds and they work great since you don't have to carry keys. But they freeze up in winter weather and can't be opened. The only lock I find that works in winter weather are 'receiver locks" that are used lock a trailer hitch to a vehicle. (Sounds strange but they work). Just drop it down through your door latch with the rubber cap up. The rubber cap keeps moisture from getting in to the lock. The draw back is I have to switch back to using keys in the winter.

4 of 4 found the following review helpful:

I used to love themNov 23, 2009
By Sinclair "=)"
Previous review was 5 stars: I've used two of these locks at my beach property for years and they have held up very well. I spray WD-40 in the mechanism once a year or so if the lock gets a little sticky. They have made my life so easy!

Now we're down to 2 stars because the lifetime warranty may prove to be a hassle. We shall see. One of the locks malfunctioned when I changed the combination. I can't get it to open. I emailed the company asking for help and all I got was a generic email. This email asked me to call in for instructions. I called in and spent 10 minutes on hold. I lost my patience and hung up. I don't know why the instructions weren't simply included in that email. I will send in the lock as the several-year-old package instructs and see what happens. I'll post a new review if my opinion of the lock and company changes.

UPDATE: new lock came in the mail however it came with a notice that a replacement is only allowed one time. How does that make sense if something has a lifetime warranty? Dumb. Maybe they should get rid of the warranty and lower the price.

See all 80 customer reviews on Amazon.com