Master Lock 178D | Get Best Combination Padlock To Reduce Hassles

Tired of carrying keys? And why not where everything is now plugged and play. Like the other activities of our life the security also has to be dealt smartly with a keyless combination lock. A 4-digit combination lock can be a great solution to give you the feel of safety, that is the Master Lock 178D.

Master Lock 178D is a 4 digit combination lock with 10,000 available combinations.

Love it?

It’s a very tough job to break the combination in seconds but you might think is this tiny lock safe enough?

Yeah, this padlock is the best padlocks I have ever found.

To meet your curiosity here we have tried to find out whether this Masterlock combination lock is helpful or not.

Master Lock 178D; 4-Digit Combination Lock

Master Lock 178 D Reviewview on AmazonThis master lock padlock is featured with a 4-digit combination lock.

Compared to the previous 3-digit combination, this lock is technically 10 times stronger as the user is now able to set 10000 combinations.

Strong Metal Construction

The lock is constructed of high-grade metal. The cylinder has not got any leak that can help the lock picker with the drills.

It is well designed to hold the thieves for a while before the owner gets alerted.

What If You Forget The Combination?

There is a high chance you forget the combination of your Master lock combination lock after a hectic day.

Master lock played safely here. They have got the combination reset key to help you out from the awkward situation.

You just need to keep it with you. It’s not large and hard like the keys to keeping in your regular pouch.  

Related: Master Lock 141D Your All Time Gym Lock | Master Lock Padlock

Best Uses 

It’s an extremely strong lock that has got thousands of combinations and strong metal construction.

It ’s popular in the gyms to maintain the lockers efficiently as it does need any key.

Not only the indoor use you can also use them for outdoor uses like for the bikes at the doors.


  • Body width: 2 in. (51mm).
  • Shackle diameter and length and width: 5/16 in. (8 mm) & 1 in. (25 mm) & 1 in. (25 mm) width.
  • Item model number: 178D.
  • Item Weight: 12.2 ounces.
  • Product Dimensions: 6.6 x 1.2 x 3.5″.
  • Material: Steel.


  • Wide lock body
  • Strong lock with vinyl cover
  • Corrosion free body
  • Thick shackle to resist the thieves
  • Wide shackle helpful to set it anywhere
  • A heavy lock to give you the feel of security


  • Not recommended for outdoor use

master lock 178d reviewview on AmazonFinal Words

This Master lock combination eliminates the need of key and helps you to be hassle-free.

If you compare Master Lock 178D with a keyed lock you will find it stronger in many cases.

Also, no worries if you forget the combination you just need to have the access to reset key and you are free.

No doubt it’s a user-friendly lock.

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