|Manufacturer||MASTER LOCK COMPANY LLC|
|Product Dimensions||2.54 x 9.86 x 15.88 cm; 249.48 Grams|
|Item Model Number||M175XDLF|
|Is Discontinued By Manufacturer||No|
|Size||1-1/2 in. Shackle|
|Item Package Quantity||1|
|Item Weight||249 g|
Master Lock Heavy Duty Outdoor Combination Lock, M175XDLF
|Item dimensions L x W x H||25 x 99 x 159 millimetres|
|Lock type||Combination Lock|
|Item weight||249 Grams|
About this item
- Heavy duty outdoor lock; maximum security combination lock is best used as a gate lock, shed lock, or storage lock
- Set your own four digit combination lock for easy combination recall; no combination change tool required
- Padlock is constructed with a zinc body and reinforced body bumper for strength and reliability; shackle seal and covered dials for superior weather protection; one directional dial feature for low light applications
- Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel; roller pin cylinder provides maximum pick and pry resistance
- 2-1/4 in. (57 mm) wide lock body; 3/8 in. (10 mm) diameter shackle with 1-1/2 in. (38 mm) length, 15/16 in. (24 mm) width; extended shackle for application flexibility
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The Master Lock Magnum M175XDLF Heavy Duty Outdoor Combination Lock features a 2-1/4in (57mm) wide zinc body for strength and reliability. The 3/8in (10mm) diameter octagonal shackle is 1-1/2in (38mm) long and made of Tough-Cut boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The roller pin cylinder provides maximum pick and pry resistance. The hinged dial cover and shackle seal offers superior weather protection, and reinforced body bumper protects against scratches. The lock includes set your own combination convenience, without the need for a reset tool. The Lifetime Guarantee provides peace of mind from a brand you know and can trust.
From the manufacturer
Master Lock M175DXLF Heavy Duty Outdoor Combination Lock
Easy to Set & Reset
Set your own four digit combination for easy combination recall, no combination change tool required. One directional dial feature for low light applications.
Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel.
Shackle seal and covered dials for superior weather protection.
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Good construction, poor design of locking mechanism. With a 10min youtube video and 5 minutes to spare I taught myself how to "pick" this lock by figuring out the combination in under less than a minute.
Sturdy construction, bad design and poor machining. The tolerances are so big I could look into the lock and figure out the combo without any tools.
I bought this to lock up my boat. The only reason I bought another one of this lock is that it is cheap, sturdy enough so that it can't be opened with bolt cutters, and because thieves in my area don't have an IQ high enough to pick or decode any type of lock; if they were to break in they would break the lock apart.
"Best cut resistance"? Ok I give you that, nice boron carbide shackle
"better weather resistance"? yes, my other lock has been out in the rain and sun for about two years now and it only has mild surface rust on the shackle in the form of discoloration. I might have sprayed WD-40 on it once or twice but it still hasn't seized up on me.
"anti shim" yes, but you overlooked going in from the other side, Master
but "7 out of 10" in security rating? Makes me think that level 10 is the lightest... You have to step up your game Master!
The blind dial feature is pretty nice it has come in handy with my other lock. I also use it to leave my lock at 0000 so if anyone opens my lock, or at least tries to, they most likely won't put it back in 0 so I will know someone has been snooping around.
Also if you really care, the rubber flap will break off or just fall off very easily.
Here is how i decoded it:
It is surprisingly easy to decode this lock, all you need to do is to set it on its left side and turn each wheel until you can see the gate over the number wheel. The gate is a deeper gap in the inner locking wheel. Find all four gaps and turn each wheel 180 degrees by moving up 5 numbers and your lock is open.
This lock has several features that you want if you're going to buy it. First, it's twice the weight of the 178D. Second, it has a rubber flap that covers the numbers, protecting them from the elements. Third, it has a feature that lets you dial the numbers even when you can't seem them. The numbers can't be dialed backwards from zero, so you can't turn them until they stop, and then turn them the other direction, counting the clicks. This may be handy when you need it, but it's very annoying when you don't.
Overall, I wish I could return my purchase, but I waited too long. It's too large to fit on my shed door latch (the 178D fits fine), so I'm just going to hang on to it until I find a use.
Reviewed in the United States on 27 November 2018