There are plenty of options available while buying round master locks in the market right now, and if you're confused regarding which one to go for, You have come to the right page.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Master Lock Awesome Lock READ REVIEW

Best For Use With Chains: Buy: Master Lock Good Lock READ REVIEW

Best For About Two Inches: Buy: Master Lock One Lock READ REVIEW

Best With Great Customer Service: Buy: Master Lock Trailer Lock READ REVIEW

Best For Transportation: Buy: Master Lock Great Lock READ REVIEW

Best With Fast Shipping: Buy: Master Lock Well Great Lock READ REVIEW

Best For Shed: Buy: Round Master Lock READ REVIEW

Best For Worth The Money: Buy: Round Master Lock READ REVIEW

Best For Fair Price: Buy: Master Lock Bike Lock READ REVIEW

Best For Harsh Outdoor Conditions: Buy: Master Lock Best Lock READ REVIEW

Best For Bullet Proof: Buy: Master Lock Best Lock READ REVIEW

Best For Super Tough Locks: Buy: Round Master Lock READ REVIEW

Best Overall: Master Lock Awesome Lock

Buy on Amazon

Compared with other Master Lock's products, the Master Lock Awesome Lock has a design with broader appeal. The master lock awesome lock provides maximum pick resistance while a key retaining safeguard ensures the padlock is not left unlocked. Make sure this fits by entering your model number. Further, this is best used for moving trucks, vans, and buildings with sliding doors.

The lock looks good, It is great for peace of mind and has a solid design. Most importantly, the master lock is awesome. The lock includes one padlock and two keys.

Almost all buyers quickly discovered that the lock can pick the lock open and make a new key. Further, a few say that the lock will deter sticky fingers around the neighborhood. Further, a few strongly agree that the holes have to line up for the lock to work.

• This lock is prepackaged and sold in bulk on Amazon.
• This will eventually find a way in.
• It includes one padlock and hasp, two keys.
• This is good for indoor and outdoor padlocks with key.

Best For Use With Chains: Master Lock Good Lock

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate lock. The product is exactly that - it's a simple product that hits all the right notes. The master lock lock is great for decent quality, It is made with great quality and has a reliable design. . The master lock 40tri stainless steel discus padlock features a 1 - 9/16 in ( 70 mm ) wide stainless steel body for maximum strength, reliability and corrosion resistance.

The lock is handy, it is suitable for first time and has a secure lock design. Finally, the Master Lock Good Lock is made of hardened steel, offering extra resistance to cutting and sawing.

Almost all customers agree that the lock will freeze in the winter if they are not hanging perfectly straight. Moreover, a few also found that the lock works perfectly with their system for a fraction of what they charge. Further, they strongly agree that the hole for the lock to attach is n't smaller than the diameter of the lock pin. You should be fine. Overall, for most customers, Master Lock product was just what they wanted.

• This is coated with a chrome plating that makes them weather resistant, not weather proof.
• The lock continues to work well, it remains sturdy, and is reliable.
• These hang sideways so the water can lay inside the lock.
• It comes with two keys per lock.

Best For About Two Inches: Master Lock One Lock

Buy on Amazon

Master Lock has been making great locks for years, thanks to a combination of clever design and appropriate materials. The master lock lock is very durable, is perfect for a gun case, It is made for good value and has a safe design. . Moreover, it provides pick and pry resistance, Shrouded design minimizes shackle exposure and protects against bolt cutter attacks.

The lock is really nice, it works smoothly and has a secured design. Above all, the master lock lock is best used as a storage lock and for garages, sheds, and trailers.

Almost all buyers found that the lock was made in the USA, even long - seasoned American companies. In addition, they strongly agree that the lock fits the sliding latch style lock on the door nicely. Also, a few say that the lock will rust over time if exposed to the elements for a prolonged period of time. In short, at the price, they believe that they got a steal of a deal with it.

• This is easy to open and close.
• This will drain when moved around.
• The best lock around as you ca n't cut into it.
• The lock continues to work well, it remains sturdy, and is reliable.

Best With Great Customer Service: Master Lock Trailer Lock

Buy on Amazon

Compared with other products by Master Lock, the Master Lock Trailer Lock has a convenient design. The master lock trailer lock is best for customer service, it is much more secure and has specifications design. Each lock comes with two keys, so you will receive a total of four keys with the purchase of this 2 pack. These locks offer ideal protection against bolt cutter attacks.

The lock is significantly higher than cast aluminum alloys, plastics, and grey cast iron. Further, it allows for perfect fit, fits right for the right size, it looks professional and has a clean design. Lastly, the master lock trailer lock is for high security locks, is made with fast shipping, It worked perfectly and has a special design.

Almost all customers agree that the lock has a hardened boron steel shackle and a solid steel boron shackle shroud. In addition, a few also found that the lock comes with 2 keys, so there are plenty of extra keys to use. In addition, a few strongly agree that the lock can freeze up if water gets into the latch cover on the back side. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• If you order two 2-packs, they will not necessarily be keyed the same.
• This fits the hasp perfectly and does weigh a pound or two.
• This is as good as it gets, tho, for padlocks.
• These fit securely with no sloppiness.

Best For Transportation: Master Lock Great Lock

Buy on Amazon

The Master Lock Great Lock is the most reliable product on the market today. The master lock lock has nice locks, has secure locks, It is unique and has an innovative design. Please see more product details below to help ensure these locks will work. And, this would be perfect with fast shipping, makes for a great company, It is suitable for indoor use and has a clean design.

The lock is worth the price, it is traditional and has a technological design. In addition, the lock is for high security locks, comes with quality keys, It is great with great customer service and has a special design. Finally, the master lock great lock is also available with the bumpstop technology.

Most buyers agree that the lock is designed to fit over a hasp. And, a few strongly agree that the lock fits the 2019 Aluma enclosed trailer perfectly. In addition, a few strongly agree that the lock is excellent and well made but does not fit on the lock slots for shipping containers. Overall, many have used the master lock lock for more than a few months without any issues, and it shows no sign of giving up.

• This fits the hasp perfectly, plus it does weigh a pound or two.
• This is highly recommend, it is ideal for many other applications and has a solid design.
• If you order two 3-packs, they will not necessarily be keyed the same.
• To ensure you get two 3-packs keyed alike, you must order the 6-pack.

Best With Fast Shipping: Master Lock Well Great Lock

Buy on Amazon

The master lock, great lock's superior materials, makes sure that it ages well with use. The masterlock lock is good for storage container,sss It is keyed differently and has a special design. The Manufacturer says: If you order two 4-packs or any multiple of this lock, we will automatically key them all the same. Also, the lock comes with great customer service, secures your property, it makes for solid construction and has a clean design.

The lock is unique, filled with water, it is much more secure and has a technological design. Further, it comes with a locking mechanism, is super sturdy, It is great with great quality and has a solid design. Above all, the Master Lock Well Great Lock provides for great security, has a great concept, It is good for many other applications and has an innovative design.

Almost all customers agree that the lock is a great lock for someone who would make it work to their lock bracket that would fit the back side slot on the padlock. In addition, a few also found that the lock is made from a zink casting instead of steel. And, they also found that the feel is of precision manufacturing, lock slides open and close very smoothly. Overall, many customers have used the lock for more than a few months without any complaints, and it shows no sign of giving up.

• This is designed for commercial/industrial applications.
• This offers impossible to cut and pry resistance features.
• This is one of the best locks out there for money.
• This can be used on a 12 ft. cargo trailer.

Best For Shed: Round Master Lock

Buy on Amazon

The best part: Round Master Lock costs comparatively little and it is available to ship in 24 hours. The round master lock is very heavy, it is rock solid and has a safe design. If you order two 2-packs, they will not necessarily be keyed the same. These high - security pro series padlocks feature a "bolt cutter tough", fully shielded hardened steel shackle that has pry resistant features and is virtually impossible to cut.

Finally, the round master lock is strong, durable and resists corrosion.

Almost all customers quickly discovered that the lock came with bolts washers or nuts. Further, a few strongly agree that the lock is easy to install..but after all are weird. In addition, they strongly agree that the hasp is the rectangular frame the lock sits in, so its self - contained. In conclusion, many buyers have used the round master lock for more than a few months without letup, and it shows no sign of giving up.

• Manufacturer says: we will make certain they are all keyed alike.
• Opening dimensions where the hidden shackle of the lock is located.
• This works as advertised, it is handy and has a special design.
• You will receive two complete sets and four keys.

Best For Worth The Money: Round Master Lock

Buy on Amazon

The best part: Round Master Lock costs comparatively little and it is available to ship in 24 hours. The roundmaster lock is perfect for tool boxes, it has shed doors and has a solid design. You will receive 2 keys with your order. This tough, shrouded lock / hasp combination is ideal for vans, trucks, gates, and vending machines.

Lastly, the round master lock is great for securing, is handy, it is for heavy duty locks and has a safe design.

Almost all buyers agree that the lock comes with bolts, washers or nuts. Also, they say that the steel hockey puck prevents sawing off as the lock bolt is inclosed in the puck. As a result, buyers were eager to recommend it to friends and families.

• This is for high security hasps and keys alike hidden shackle padlocks.
• The hasp is the rectangular frame the lock sits in so its self - contained.
• This allows for storage containers and it works great.
• This installed fast, is very heavy, it works as advertised and has technological design.

Best For Fair Price: Master Lock Bike Lock

Buy on Amazon

If you often find yourself scrambling for an appropriate and satisfactory lock, this product is your solution. The Master Lock Bike Lock is worth the price, It is black and has a cute design. . And, the lock is used for motorcycles, mopeds, street bikes and scooters.

The lock is very nice, it is super secure and has specifications design. And, it looks badass, is beautiful, it is suitable for inner diameter and has a vintage style. look. Finally, the master lock bike lock is used for heavy-duty, comes with a locking mechanism, It is great for amazing quality and has a reliable design.

Almost all buyers agree that the lock definitely requires power tools to break, has more uses (wink) and is half the price. Moreover, a few strongly agree that the lock includes the length, in inches, of the links. Moreover, a few also found that the lock design is enough to deter any thief. Overall, many buyers have used the lock for more than a few months without letup, and it shows no sign of giving up.

• This looks really cool too and has a $5, 000 guarantee.
• This fits in a saddlebag or backpack.
• The added weight for the masterlock is too much for practicality.
• The coolest looking lock out there, and it is very secure.

Best For Harsh Outdoor Conditions: Master Lock Best Lock

Buy on Amazon

If you often find yourself confused about convenient and suitable lock, this product should be your first option for buying. The master lock lock, is made for good heavy - duty locks, is designed for high performance, It makes for a great buy and has specifications design. To ensure you get two 4-packs keyed alike, you must order the 8-pack. These locks feature the bumpstop advanced cylinder technology.

Finally, the master lock lock is great for high security locks and it is ideal for harsh outdoor conditions.

"The only way you can cut through them is to use a grinder with a diamond blade. " - says, one customer. In short, for almost all customers, the lock was most suitable.

• Lock bumping is a surprisingly simple method of breaking in through locked doors and padlocks.
• If you order two 4-packs, they will not necessarily be keyed the same.
• This would be perfect with a locking mechanism, It is innovative and has an innovative design.
• This is made worth the money and it is used for very heavy duty.

Best For Bullet Proof: Master Lock Best Lock

Buy on Amazon

The Master Lock Best Lock's material feels more premium than its price would suggest. The master lock lock is ideal for high performance, It is made for a decent price and has a technology design. The Manufacturer says: During a bump attempt, this design prevents the transfer of force from the bump key to the pins and therefore blocks rotation of the cylinder so that the lock remains locked.inquire and we can normally have them in a couple of days. These high - security, rekeyable 5-pin cylinders with spool pins are virtually impossible to pick.

The lock that comes with a longer shackle is also available, Search 6230nkalh. Most importantly, the master lock lock is made for good heavy - duty locks and it makes for a great buy.

In conclusion, at the price, they believe that they got a steal of a deal with it.

• This provides a longer life and also features the bumpstop advanced cylinder technology.
• This is undoubtedly the newest emerging threat to personal property security.
• For explanation, see more product details below.

Best For Super Tough Locks: Round Master Lock

Buy on Amazon

The Round Master Lock is capable of outshining several other products featured in this list in overall features for the price point. The roundmaster lock is great with great service, is great for peace of mind, it is rock solid and has a secure lock design. If you order two 2-packs, they will not necessarily be keyed the same. This tough, shrouded hasp / lock combo is ideal for vans, trucks, gates, and vending.

The lock is for two high security hasps and two keys with hidden shackle pro series padlocks and 4 keys. Lastly, the round master lock is best for customer service, is built for super tough locks, It is made with great customer support and has excellent design.

Almost all buyers found that the lock can be opened in seconds with a rake. In addition, a few say that " the " lock fits all” feature of nice. Moreover, they say that this lock is very robust. However, any freeze and thaw cycle requires the use of a torch or hair dryer to unlock the tumbler. Overall, many have used the lock for more than a few months without any issues, and it shows no sign of giving up.

• The lock is cool, easy to use and does its job.
• For explanation - see more product details below.
• This is built to last a lifetime.
• This works only with the model 6271 master lock.