Impressed with how sturdy this is. Does everything I hoped for.
Melissa X.
✓ Contractor
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Master Lock MLS5KALF-A445
Brand:
Master Lock
SKU: MLS5KALFA445
Availability:
In Stock
Ships same day if ordered by 12 pm
4.59
(44 reviews)
$21.95
/each
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100% Genuine Parts
Manufacturer Warranty
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Product Highlights
Warranty
Manufacturer backed
4.59 / 5
44 reviews
In Stock
Ships fast
Master Lock
Authentic part
Description
The Master Lock MLS5KALF-A445 is a padlock.
Note before anything else: the source data carries no description for this item at all — the field is blank. What follows is read from the part number, and every element of it needs verifying against Master Lock's specification before this is published.
The part number structure indicates a Master Lock No. 5, which is their 2 inch wide laminated steel body padlock and one of the most widely used padlocks made. KA indicates keyed alike. A445 is a key charting number.
The key number is the important part and it is worth explaining, because it catches people out. Keyed alike means every lock in the batch opens with one key — but only within that key number. Ordering keyed alike without specifying A445 produces locks that match each other and not the A445 locks already on site, which is how a facility ends up with two keyrings and a puzzle. Order the number, and record it somewhere other than on the key.
Keyed alike suits a fleet or a site where one person opens many locks. The cost is that one compromised key opens all of them.
Obtain the full specification — shackle diameter, clearance, and cylinder — before listing. Shackle clearance in particular determines whether a lock physically fits.
Specs
- Brand
- Master Lock
- SKU
- MLS5KALFA445
- Category
- Facility Safety
- Weight
- 0.75 lbs
- Dimensions
- 3.50 x 2.00 x 1.25
- Price
- $21.95
- Availability
- In stock
- Rating
- 4.59 / 5.0
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Product Reviews
Fast shipping and the product is genuinely excellent. Highly recommend.
Emily Z.
✓ Contractor
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Arrived quickly, packaged well, and works like a charm. Five stars.
Miguel U.
✓ HVAC Technician
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Been using this daily for a month with zero issues. Money well spent.
Marcus H.
✓ Verified Buyer
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Impressed with how sturdy this is. Does everything I hoped for.
Susan K.
✓ Business Owner
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Been using this daily for a month with zero issues. Money well spent.
Ronald B.
✓ HVAC Technician
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Impressed with how sturdy this is. Does everything I hoped for.
William N.
✓ Facilities Manager
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Satisfied with the quality. A dependable choice.
Carlos F.
✓ Facilities Manager
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Exactly what I needed and it works flawlessly. Would buy again without hesitation.
Kevin H.
✓ Verified Buyer
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Exactly what I needed and it works flawlessly. Would buy again without hesitation.
Lisa D.
✓ Contractor
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Arrived damaged and did not perform as described.
Thomas I.
✓ HVAC Technician
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Top quality — feels well built and performs even better than I expected.
Jennifer H.
✓ Verified Buyer
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Top quality — feels well built and performs even better than I expected.
David F.
✓ Maintenance Tech
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Been using this daily for a month with zero issues. Money well spent.
Daniel F.
✓ Business Owner
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Average product. Works, but I expected a bit more.
Lisa T.
✓ HVAC Technician
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Excellent product and great customer service. Will order again.
Derek L.
✓ Verified Buyer
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Perfect fit and finish. You can tell it's a quality part.
Lisa O.
✓ Maintenance Tech
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Arrived quickly, packaged well, and works like a charm. Five stars.
Amanda O.
✓ HVAC Technician
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Great value for the quality you get. This is now my go-to.
Joseph A.
✓ HVAC Technician
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Fit perfectly and did the job the first time. Couldn't ask for more.
Kevin I.
✓ Verified Buyer
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Good quality and works well. A little pricey but worth it.
Emily P.
✓ Verified Buyer
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Excellent product and great customer service. Will order again.
Steven I.
✓ Contractor
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Impressed with how sturdy this is. Does everything I hoped for.
Rachel F.
✓ Facilities Manager
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Been using this daily for a month with zero issues. Money well spent.
Mary J.
✓ Verified Buyer
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Happy with it overall. Took a bit longer to arrive than I'd like.
Thomas V.
✓ Verified Buyer
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Satisfied with the quality. A dependable choice.
Luis O.
✓ Maintenance Tech
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Top quality — feels well built and performs even better than I expected.
Miguel U.
✓ Verified Buyer
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Wrong fit for what was listed. Frustrating experience.
Jennifer C.
✓ Contractor
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Does the job nicely. Packaging could be better but no damage.
Lisa I.
✓ Verified Buyer
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Satisfied with the quality. A dependable choice.
Sarah Q.
✓ Maintenance Tech
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Perfect fit and finish. You can tell it's a quality part.
George M.
✓ Verified Buyer
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Exactly what I needed and it works flawlessly. Would buy again without hesitation.
Ronald F.
✓ Contractor
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Good quality and works well. A little pricey but worth it.
Susan Y.
✓ Verified Buyer
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Exactly what I needed and it works flawlessly. Would buy again without hesitation.
Matthew B.
✓ Homeowner
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Perfect fit and finish. You can tell it's a quality part.
Miguel F.
✓ Contractor
Was this review helpful?
Satisfied with the quality. A dependable choice.
Kevin P.
✓ Facilities Manager
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Been using this daily for a month with zero issues. Money well spent.
Patricia B.
✓ HVAC Technician
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Excellent product and great customer service. Will order again.
David E.
✓ Verified Buyer
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Fit perfectly and did the job the first time. Couldn't ask for more.
Emily K.
✓ Verified Buyer
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Arrived quickly, packaged well, and works like a charm. Five stars.
Paul I.
✓ Facilities Manager
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Excellent product and great customer service. Will order again.
Olivia E.
✓ Homeowner
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Fit perfectly and did the job the first time. Couldn't ask for more.
Omar B.
✓ Business Owner
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Exceeded my expectations. Well worth every penny.
Ashley N.
✓ Business Owner
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Top quality — feels well built and performs even better than I expected.
Amanda W.
✓ Verified Buyer
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