
178EC4 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $44.99 | Top Pick! Condition is New, Master Lock Set Your Own Combination Padlock (Black) 4pk (178EC4), shipping cost = $8.75 | 99.6% |
![]() | $89.99 | Condition is New, Combination Lock Black Resettable Code Weather Resistant 4 Pack 178EC4 Master, FREE SHIPPING | 99.3% |
![]() | $107.99 | Top Pick! Condition is New, Master Lock Black Combination Lock, Customizable Combo Padlock, Indoor and Outdo, FREE SHIPPING | 100.0% |

Introducing the Master Lock 178EC4 Combination Padlock - a versatile and secure solution for securing your valuable possessions. This padlock is part of Master Lock's extensive range of high-quality security products, known for their durability and reliability.
The 178EC4 Combination Padlock boasts a 3-number, resettable combination, allowing you to easily set your own personal code. The combination can be changed as many times as you need, making it an ideal choice for individuals who require frequent access or for those who value the privacy of their lock's settings.
The padlock's shackle measures 6 inches long and is made of hardened steel for enhanced resistance against tampering and cutting. The body of the lock is also constructed of hardened steel, ensuring that it can withstand the rigors of daily use. The lock's finish is protective and resilient, shielding it from the elements and preventing rust and corrosion.
The Master Lock 178EC4 Combination Padlock is designed with a high-visibility dial, making it easy to read and operate in various lighting conditions. The lock comes with a convenient mounting bracket, allowing you to securely attach it to a surface for added security and convenience.
This padlock is TSA-recognized, meaning that it can be opened by Transportation Security Administration (TSA) officers when traveling, ensuring that your luggage can be inspected without the need for you to be present.
In summary, the Master Lock 178EC4 Combination Padlock is a durable, versatile, and secure solution for securing your possessions. Its resettable combination, hardened steel construction, and high-visibility dial make it an excellent choice for individuals who value convenience, privacy, and peace of mind.
Master Lock 178EC4 Combination Padlock: A Detailed Analysis
The Master Lock 178EC4 is a popular choice for those seeking a reliable and secure combination padlock. Let's examine its pros and cons to help you make an informed decision.
Pros:1. Combination Lock: The absence of a key makes it more convenient as there is no need to carry a separate key, reducing the chances of misplacing or losing it.
2. Secure: Master Lock is a well-known brand in the security industry, ensuring the lock provides an adequate level of security for your belongings.
3. Adjustable: The shackle length is adjustable, allowing it to fit various padlock applications, making it a versatile option.
4. Weather Resistant: The lock features an all-weather cover, ensuring it remains functional even in harsh environments.
5. Durable: The lock is built from hardened steel, which is resistant to attacks like drilling, sawing, and picking.
Cons:1. Complex Reset: The lock requires a specific sequence to reset the combination, which can be challenging for some users.
2. Combination Length: The combination is relatively short, which can make it easier for someone to guess or brute force the combination.
3. Size: The padlock is slightly larger than some other models, making it less discreet for those who prefer smaller locks.
Conclusion:The Master Lock 178EC4 combination padlock offers a good balance between security, convenience, and versatility. Its robust construction, adjustable shackle length, and weather resistance make it a reliable choice for securing various belongings. However, the complex reset process and relatively short combination might be drawbacks for some users.
Recommendation:Based on its features and benefits, the Master Lock 178EC4 combination padlock is a recommended option for individuals who prioritize security, convenience, and durability in a padlock. However, if you're looking for a smaller lock or one with a longer combination, you might want to consider alternative models.
Details:
2 inch 51 millimeter wide Lock body; 5/16 8 diameter shackle with 1 25 length , width . Master Lock black combination Lock, customizable combo padLock, indoor and outdoor weather resistant with re settable code for gates, Lockers, 4 pack, 178EC4: outdoor padLock is best used as a school Locker Lock, gym gate providing protection security from theft. Combo Lock is constructed with a solid body for strength and weather ability, hardened steel shackle cut resistance. Shackle is preset to open on 0-0-0-0.
specifications mersmallets:
- brand: Master Lock
- mpn: 178ec4
- type: Other
- size: One Size
- color: Black
- features: Standard
- insect repellent treated: No
- upc: 071649370571
general mersmallets:
- category: Home & Garden > Workshop Equipment > Hand Tools > Hammers Mallets
shipping mersmallet's:
- class: expedited
- type: fixed
- service: fedex 2day
- carrier: fedex
- transit: 5-6 days
offer mersmallet's:
- in stock #: 3
- options: ship-to-home
- prices: $44.99–$107.99
- item condition: New
- best offers: true
- availability: in stock
- started: march 26, 2026
- sold #: 7
payments mersmallet's:
- credit card: visa
- wallet: apple-pay
- other
seller mersmallet's:
- # reviews: 1155
- city: phoenix, arizona
- rating: 98.4%
returns mersmallet's:
- time: 30 days
- policy: returns accepted
- paid by: seller
- method: money back


