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Master Lock Heavy Duty Outdoor Keyed Padlock, 1-7/8-in Wide x 1-1/2-in Shackle ( 4 -Pack )

Name: Master Lock Heavy Duty Outdoor Keyed Padlock, 1-7/8-in Wide x 1-1/2-in Shackle ( 4 -Pack )
Brand: Master Lock
SKU: 3056617
Price: 56.98 USD
Availability: InStock
Rating: 4.7 (177 reviews)

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4.7

177

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Shipping

Wed, Oct 14

165 available

Delivery

Thu, Oct 15

169 available

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The Master Lock Magnum® M115XQLF covered laminated steel padlocks with key feature a 1-7/8 in. (48 mm) wide laminated steel body for maximum strength and reliability, and is surrounded by stainless steel and zinc outer components for weather resistance. The Rust-Oleum® certified protection provides a lifetime guarantee against rusting on the lock body; and covered lock body, keyway, and shackle seals offer additional weather protection. The 5/16 in. (8 mm) diameter octagonal shackle is 1-1/2 in. (38 mm) long and made of Tough-Cut™ boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The lifetime guarantee provides peace of mind from a brand you know and can trust. Rust-Oleum certified protection is a registered trademark of Rust-Oleum corporation.

Magnum® - #1 choice of professionals
Dual-Armor™ lock body, with weather cover for added protection and longevity
All 4 locks are keyed alike (two keys included)
4-Pin cylinder and dual ball bearing locking for increased pick and pry resistance; covered keyway and shackle for added weather protection
Outdoor lock; heavy duty padlock with key is best used for outdoor storage and fences, self-storage units and lockers, tools, job boxes and more
Key lock features dual armor™ construction: laminated steel lock body with weather resistant cover and Tough-Cut™ octagonal boron-carbide shackle is 50% harder than hardened steel

General
Lock Material	Steel	Series Name	Heavy Duty Outdoor
Dial Count	N/A (keyed lock)	Contractor Grade	Yes
Combination Type	N/A (not combination)	Lock Type	Keyed padlock
Keying Type	Keyed alike	Number of Pins	4
Package Quantity	4	Color/Finish Family	Black
Use Location	Outdoor	Manufacturer Color/Finish	Black

Dimensions
Width Measurement	1-7/8-in	Shackle Diameter (Inches)	.28
Height (Inches)	3.654	Shackle Height	1-1/2-in
Thickness (Inches)	1.14	Shackle Width (Inches)	0.81

Features
Shrouded Shackle	No	Keys Included	Yes
Adjustable	No	Rust Protection	Yes
Weatherproof	Yes

Compatibility
For Use with Luggage	No	Wi-Fi Compatibility	No
For Use with Bikes	No	App Compatibility	No
For Use with Laptops	No	Bluetooth Compatibility	No
Works with iOS	No	Smart Compatible	No
Works with Android	No

Certifications
CA Residents: Prop 65 Warning(s)	No	TSA Accepted	No

Warranty
Warranty	Lifetime

Miscellaneous
UNSPSC	46171500

Check out the Best Selling Padlocks on Lowes.com

Review

4.7 out of 5

177 Reviews

2 Star

97% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

What Customers Are Saying

Customers overwhelmingly praise these lock sets for the keyed-alike design, weather resistance, and heavy-duty construction. Most value having one key operate multiple locks, eliminating the hassle of managing several keys for trailers, sheds, and gates. Reviewers consistently describe them as solid and durable, with rubberized casing that resists rust and functions in below-zero temperatures. Many users trust the brand reputation and feel confident securing valuable tools and equipment. A few note plastic keyhole caps can loosen, and some wish more keys were included, but these minor concerns are vastly outweighed by strong overall satisfaction.

Customer review summary generated by AI, including incentivized reviews.

177 Customer Reviews

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Perfectly weatherized

Would Recommend

I love that this product is well weatherized so that when you're using it for anything outdoor, it shouldn't cause any issues with the key part. We're very happy with this product.

BvicJune 7, 2026
Verified Purchaser

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heavy duty locks

Would Recommend

Master lock quality

lauravoltampMay 30, 2026
Verified Purchaser

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Just what I needed

Would Recommend

Exactly what I needed

JessMay 28, 2026
Verified Purchaser

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Locks

Would Recommend

Strong, sturdy, secure

ClaireMay 15, 2026
Verified Purchaser

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Strong and tough

Would Not Recommend

They are all keyed alike and seem to be very strong

Novice builderMay 12, 2026
Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item Master LockHeavy Duty Outdoor Keyed Padlock, 1-7/8-in Wide x 1-1/2-in Shackle ( 4 -Pack )
		Ratings	177
		Rust Protection
		Weatherproof
		Lock Material	Steel
Master Lock Magnum Covered Padlock 3-Pack Rust Finish Keyed	Master LockPro Pack Outdoor Keyed Padlock, 1-3/4-in Wide x 1-1/2-in Shackle ( 6 -Pack )	Master LockStainless Steel Outdoor Keyed Padlock, 2-in Wide x 2-1/2-in Shackle ( 4 -Pack )	Master LockHeavy Duty Outdoor Resettable Combination Padlock, 2-in Wide x 1-1/2-in Shackle ( 3 -Pack )	Master LockPro Pack Heavy Duty Outdoor Combination Padlock, 2-in Wide x 1-in Shackle ( 6 -Pack )	Master LockOutdoor Keyed Padlock, 2-in Wide x 2-1/2-in Shackle ( 4 -Pack )	Master LockHeavy Duty Outdoor Resettable Combination Padlock, 2-in Wide x 2-1/2-in Shackle ( 3 -Pack )	Master LockPro Pack Shrouded Outdoor Disc lock 2-3/4-in Wide x 5/8-in Shackle ( 6 -Pack )	BrinksCommercial Keyed Alike Keyed Padlock, 2-1/4-in Wide x 1-1/16-in Shackle ( 4 -Pack )
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