Shop All Old Master Lock Models List

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$13.00
Circuit Breaker Lockout - Standard - Master Lock
Uline
$13.00
Circuit Breaker Lockout - Standard - Master Lock
Uline
$345.00
Lockout/Tagout Kit - Valve - Master Lock
Uline
$345.00
Lockout/Tagout Kit - Valve - Master Lock
Uline
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$162.68
Master Lock - Six (6) High Security Pro Series Padlocks W/ 12 Keys, 6121NKALF-6 W/Bumpstop Technology
Amazon.com
223
Free shipping
$162.68
Master Lock - Six (6) High Security Pro Series Padlocks W/ 12 Keys, 6121NKALF-6 W/Bumpstop Technology
Amazon.com
$35.96
Master Lock Set Your Own Combination Lock, Aluminum, 1-3/16 in. Wide, 4 Pk, 630EC4
Amazon.com
2K+
Free shipping
$35.96
Master Lock Set Your Own Combination Lock, Aluminum, 1-3/16 in. Wide, 4 Pk, 630EC4
Amazon.com
$60.99
Master Lock 2" (51 Mm) Wide Laminated Stainless Steel Pin Tumbler Padlock With 2-1/2" (64 Mm) Shackle, 2-Pack | For Sailing | By West Marine
WestMarine
194
$60.99
Master Lock 2" (51 Mm) Wide Laminated Stainless Steel Pin Tumbler Padlock With 2-1/2" (64 Mm) Shackle, 2-Pack | For Sailing | By West Marine
WestMarine
$8.99
Master Lock 1504D Locker Lock Combination Padlock, 1 Pack, Red
Amazon.com
10K+
$8.99
Master Lock 1504D Locker Lock Combination Padlock, 1 Pack, Red
Amazon.com
$59.63
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KA
Grainger
2K+
$59.63
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KA
Grainger
$59.12
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KAW700A
Grainger
$59.12
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KAW700A
Grainger
$257.78
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Blue - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$257.78
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Blue - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$34.00
Master Lock Pro Series
New Haven Moving Equipment
$34.00
Master Lock Pro Series
New Haven Moving Equipment
$24.68
Master Lock Yellow Aluminum Padlock (Keyed Alike)
Airgas
$24.68
Master Lock Yellow Aluminum Padlock (Keyed Alike)
Airgas
$29.99
Master Lock Receiver Lock: Universal, Stainless Steel, (2) Keys, Receiver Lock Model: 2866DATSC
Grainger
$29.99
Master Lock Receiver Lock: Universal, Stainless Steel, (2) Keys, Receiver Lock Model: 2866DATSC
Grainger
$19.04
Master Lock Silver Steel Padlock (Keyed Alike)
Airgas
$19.04
Master Lock Silver Steel Padlock (Keyed Alike)
Airgas
$32.99
Master Lock 1 9/16 Inch (40Mm) Wide Covered Stainless Steel Pin Tumbler Padlock With 2 Inch (51Mm) Shackle, Black | For Sailing | By West Marine
WestMarine
30
$32.99
Master Lock 1 9/16 Inch (40Mm) Wide Covered Stainless Steel Pin Tumbler Padlock With 2 Inch (51Mm) Shackle, Black | For Sailing | By West Marine
WestMarine
$25.15
Master Lock 176 Padlock, Brass Body Combination Uses Key Bypass, Factory Keyed
Mr. Lock
5
$25.15
Master Lock 176 Padlock, Brass Body Combination Uses Key Bypass, Factory Keyed
Mr. Lock
$42.90
Master Lock Brass Brass Padlock
Airgas
$42.90
Master Lock Brass Brass Padlock
Airgas
$42.74
Master Lock Resettable Shrouded Brass Padlock Boxed 1177
DkHardware.com
36
$42.74
Master Lock Resettable Shrouded Brass Padlock Boxed 1177
DkHardware.com
$31.83
Master Lock 6127 KD Pro Series Padlock, Keyed Different
Mr. Lock
1
$31.83
Master Lock 6127 KD Pro Series Padlock, Keyed Different
Mr. Lock
$61.85
MASTER LOCK Master Lock 2-7/8 in. W Metal 4-Dial Combination Lock Box, 5420D
Zoro.com
$61.85
MASTER LOCK Master Lock 2-7/8 in. W Metal 4-Dial Combination Lock Box, 5420D
Zoro.com
$32.82
Master Lock Company 6421WO
DoorHub
$32.82
Master Lock Company 6421WO
DoorHub
$13.24
Master Lock Padlock Boxed 9/16" Shackle 7KAP180
DkHardware.com
$13.24
Master Lock Padlock Boxed 9/16" Shackle 7KAP180
DkHardware.com
$128.75
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Orange - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$128.75
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Orange - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$12.99
Master Lock Hasp 6in Zinc Plated Hardened Steel Hinge 1 Pack - 706D
Acme Tools
201
$12.99
Master Lock Hasp 6in Zinc Plated Hardened Steel Hinge 1 Pack - 706D
Acme Tools
$27.99
Master Lock 2 in. W Hardened Steel Resettable Combination Combination Padlock
Ace Hardware
1K+
$27.99
Master Lock 2 in. W Hardened Steel Resettable Combination Combination Padlock
Ace Hardware
$25.99
Masterlock 1-1/2" Laminated Padlock
US Patriot Tactical
10K+
$25.99
Masterlock 1-1/2" Laminated Padlock
US Patriot Tactical
$13.99
Master Lock 2 1/2 in. W Hardened Steel 4-Digit Combination Combination Padlock
Ace Hardware
2K+
$13.99
Master Lock 2 1/2 in. W Hardened Steel 4-Digit Combination Combination Padlock
Ace Hardware
$22.99
Master Lock 3-9/16 in. H X 1-9/64 in. W X 1-3/4 in. L Steel Ball Bearing Locking Weather-Resistant P
Ace Hardware
$22.99
Master Lock 3-9/16 in. H X 1-9/64 in. W X 1-3/4 in. L Steel Ball Bearing Locking Weather-Resistant P
Ace Hardware
$14.35
$23.42
Master Lock Combination Lock - MLK1500T
Shoplet.com
38% off
$14.35
$23.42
Master Lock Combination Lock - MLK1500T
Shoplet.com
$182.76
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Black - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$182.76
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Black - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$186.99
$233.99
Master Lock Bluetooth Pro Series Padlock For Business Applications Extended Shackle - 6400LJENT
Acme Tools
12
20% off
$186.99
$233.99
Master Lock Bluetooth Pro Series Padlock For Business Applications Extended Shackle - 6400LJENT
Acme Tools
$181.77
Master Lock 175DLH 2 in 51mm Wide Resettable Combination Brass Padlock With 2-1/4in 57mm Shackle
Voomi Supply
2K+
$181.77
Master Lock 175DLH 2 in 51mm Wide Resettable Combination Brass Padlock With 2-1/4in 57mm Shackle
Voomi Supply
$37.36
$59.78
Master Lock A703KA American Lock Shackle 2 Inch Zinc Plated Steel
topbraggrealtyus
37% off
$37.36
$59.78
Master Lock A703KA American Lock Shackle 2 Inch Zinc Plated Steel
topbraggrealtyus
$21.47
Master Lock Company 1630 F236
DoorHub
$21.47
Master Lock Company 1630 F236
DoorHub
$6.99
Master Lock 1-7/8" Black Dial Combination Padlock: Silver, Pin-Tumbler, Locker Lock, Automatic Lock Scramble
Target
Free shipping
$6.99
Master Lock 1-7/8" Black Dial Combination Padlock: Silver, Pin-Tumbler, Locker Lock, Automatic Lock Scramble
Target
$53.94
MASTER LOCK Master Lock 2-9/10 in. H X 1-7/8 in. W Steel Combination Dial Combination Padlock, 1500D
Zoro.com
3
$53.94
MASTER LOCK Master Lock 2-9/10 in. H X 1-7/8 in. W Steel Combination Dial Combination Padlock, 1500D
Zoro.com
How to Reset a Master Lock
How to Reset a Master Lock
215.9K views11 months ago
wikiHowTrevor Maclise
How to Open a Master Lock Without a Key: 4 Easy Methods!
How to Open a Master Lock Without a Key: 4 Easy Methods!
Feb 1, 2025
revolar.com
(1623) Master Lock Model 101
(1623) Master Lock Model 101
26.4K viewsDec 23, 2019
YouTubeBill Johnson
Master Lock 178D: Features & Benefits
0:35
Master Lock 178D: Features & Benefits
2.4K viewsDec 11, 2020
YouTubeMaster Lock
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2:53
5422D/5423D Lock Boxes
295.4K viewsApr 21, 2015
YouTubeMaster Lock
Master Lock Magnum - Reset Code - Quick and Easy!
1:01
Master Lock Magnum - Reset Code - Quick and Easy!
198.3K viewsJul 26, 2019
YouTubeTech Angel
Master Lock 1590D Combination Padlocks | Instructional
2:31
Master Lock 1590D Combination Padlocks | Instructional
53.7K viewsMar 7, 2014
YouTubeThe Lock People®
4:05
HOW TO CHANGE MASTER LOCK COMBINATION CODE
464.4K viewsJun 5, 2021
YouTubeDIY GEEK
1:56
Opening & Closing the MasterLock Lockbox
146.3K viewsNov 17, 2019
YouTubematthew haines
3:14
[845] Master Locks With INEXCUSABLE Design Flaws
6.2M viewsMar 2, 2019
YouTubeLockPickingLawyer
6:16
HOW TO OPEN A MASTER LOCK KEY SAFE
303.6K viewsJan 3, 2016
YouTubeLock picking SafeSound &Secure
2:15
Maintain a Master Lock Padlock
39.4K viewsAug 12, 2010
YouTubeMaster Lock
1:09
Operating the Master Lock 5400D & 5401D Lock Boxes
690.3K viewsAug 12, 2010
YouTubeMaster Lock
5:35
Master lock bypass & pick FAST!
18.1K viewsMay 24, 2020
YouTubeLegalLockPicker
7:26
(1532) Master Lock Trailer Couplers (379ATPY & 389DAT) (JUNK!)
106.3K viewsJul 17, 2019
YouTubeBill Johnson
3:06
(642) Master Lock Combo Box - EZPZ to Open! (JUNK!)
745.5K viewsJan 2, 2015
YouTubeBill Johnson
1:02
Master Lock® Lost Keys and Key Replacements
69.5K viewsSep 21, 2016
YouTubeThe Lock People®
12:04
[103] How To Pick Any Warded Lock
82.2K viewsDec 13, 2017
YouTubeHelpfulLockPicker
2:29
How To Pick A Master Lock #175 Combination Lock
370.1K viewsMar 24, 2012
YouTubeRaymond Hamby
2:49
How To Get the Combination to a Master Lock
260.7K viewsApr 21, 2015
YouTubeSecure Sir
1:55
How To Crack a Master Lock- Combination Lock- EASY đź”´
886.6K viewsJun 8, 2016
YouTubePrepper Independence
1:23
Master Lock 1652 Built-In Combination Lock
13.1K viewsApr 14, 2014
YouTubeMaster Lock
4:53
Setting up a Master Lock portable push button Lock Box
92.2K viewsSep 15, 2015
YouTubeDIY Gal USA
1:56
Lockpicking Master No. 5 (Best Beginner Lock)
53.5K viewsJul 10, 2018
YouTubeSkeletonKey
3:15
How to open a combination Master Lock
42.4K viewsJul 23, 2017
YouTubeLPA 6th Grade
0:25
How to open Master Lock Box (Key Holder)
59.7K viewsAug 3, 2016
YouTubeSHEFAH HOTELS
2:50
Lock former machine LFM. Pittsburgh lock forming process
14.5K viewsMay 2, 2019
YouTubeEvolutioner EU
7:56
(313) Review: Master Lock M736 P…
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998.8K viewsMay 27, 2013
YouTubeBill Johnson
2:45
Master Lock 5401D Key Box: How to Reset the Combination
690.5K viewsSep 22, 2012
YouTubeHowToWith GEO
1:36
How to Reset Master Lock No. 175 and 176
355.6K viewsSep 23, 2016
YouTubeThe Lock People®
See more videos
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Shop All Old Master Lock Models List

Sponsored
About our ads
$13.00
Circuit Breaker Lockout - Standard - Master Lock
Uline
$13.00
Circuit Breaker Lockout - Standard - Master Lock
Uline
$345.00
Lockout/Tagout Kit - Valve - Master Lock
Uline
$345.00
Lockout/Tagout Kit - Valve - Master Lock
Uline
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$16.00
Circuit Breaker Cable Padlock - Master Lock
Uline
$162.68
Master Lock - Six (6) High Security Pro Series Padlocks W/ 12 Keys, 6121NKALF-6 W/Bumpstop Technology
Amazon.com
223
Free shipping
$162.68
Master Lock - Six (6) High Security Pro Series Padlocks W/ 12 Keys, 6121NKALF-6 W/Bumpstop Technology
Amazon.com
$35.96
Master Lock Set Your Own Combination Lock, Aluminum, 1-3/16 in. Wide, 4 Pk, 630EC4
Amazon.com
2K+
Free shipping
$35.96
Master Lock Set Your Own Combination Lock, Aluminum, 1-3/16 in. Wide, 4 Pk, 630EC4
Amazon.com
$60.99
Master Lock 2" (51 Mm) Wide Laminated Stainless Steel Pin Tumbler Padlock With 2-1/2" (64 Mm) Shackle, 2-Pack | For Sailing | By West Marine
WestMarine
194
$60.99
Master Lock 2" (51 Mm) Wide Laminated Stainless Steel Pin Tumbler Padlock With 2-1/2" (64 Mm) Shackle, 2-Pack | For Sailing | By West Marine
WestMarine
$8.99
Master Lock 1504D Locker Lock Combination Padlock, 1 Pack, Red
Amazon.com
10K+
$8.99
Master Lock 1504D Locker Lock Combination Padlock, 1 Pack, Red
Amazon.com
$59.63
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KA
Grainger
2K+
$59.63
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KA
Grainger
$59.12
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KAW700A
Grainger
$59.12
Master Lock Padlock: Silver, Unfinished, Zinc Die-Cast, Hidden Shackle, Boron Alloy Model: 6271KAW700A
Grainger
$257.78
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Blue - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$257.78
Master Lock | Zenex Lockout Padlock: Keyed Alike, Thermoplastic, Plated Metal Shackle, Blue - 1/4" Shackle Dia, 1-3/4" Body Height, Conductive, 6
MSC Direct
$34.00
Master Lock Pro Series
New Haven Moving Equipment
$34.00
Master Lock Pro Series
New Haven Moving Equipment
$24.68
Master Lock Yellow Aluminum Padlock (Keyed Alike)
Airgas
$24.68
Master Lock Yellow Aluminum Padlock (Keyed Alike)
Airgas
$29.99
Master Lock Receiver Lock: Universal, Stainless Steel, (2) Keys, Receiver Lock Model: 2866DATSC
Grainger
$29.99
Master Lock Receiver Lock: Universal, Stainless Steel, (2) Keys, Receiver Lock Model: 2866DATSC
Grainger
$19.04
Master Lock Silver Steel Padlock (Keyed Alike)
Airgas
$19.04
Master Lock Silver Steel Padlock (Keyed Alike)
Airgas
$32.99
Master Lock 1 9/16 Inch (40Mm) Wide Covered Stainless Steel Pin Tumbler Padlock With 2 Inch (51Mm) Shackle, Black | For Sailing | By West Marine
WestMarine
30
$32.99
Master Lock 1 9/16 Inch (40Mm) Wide Covered Stainless Steel Pin Tumbler Padlock With 2 Inch (51Mm) Shackle, Black | For Sailing | By West Marine
WestMarine
$25.15
Master Lock 176 Padlock, Brass Body Combination Uses Key Bypass, Factory Keyed
Mr. Lock
5
$25.15
Master Lock 176 Padlock, Brass Body Combination Uses Key Bypass, Factory Keyed
Mr. Lock
$42.90
Master Lock Brass Brass Padlock
Airgas
$42.90
Master Lock Brass Brass Padlock
Airgas
$42.74
Master Lock Resettable Shrouded Brass Padlock Boxed 1177
DkHardware.com
36
$42.74
Master Lock Resettable Shrouded Brass Padlock Boxed 1177
DkHardware.com