Shop Master Lock Coupler Lock Review

Sponsored
About our ads
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Red - Master Lock - Pack Of 6
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Red - Master Lock - Pack Of 6
Uline
$92.00
Group Lock Box - Master Lock
Uline
$92.00
Group Lock Box - Master Lock
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Yellow - Master Lock - Pack Of 6
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Yellow - Master Lock - Pack Of 6
Uline
$64.61
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
911
Free shipping
$64.61
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
$40.73
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
3K+
Free shipping
$40.73
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
17K+
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
1K+
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
1K+
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
$31.99
Master Lock SS RECIVER/COUPLER, 2848DAT
Advance Auto Parts
4
$31.99
Master Lock SS RECIVER/COUPLER, 2848DAT
Advance Auto Parts
$14.65
Master Lock Trailer Coupler Latch Lock 2878DAT
DkHardware.com
$14.65
Master Lock Trailer Coupler Latch Lock 2878DAT
DkHardware.com
$45.99
Marshall Master Lock Trailer Coupler Lock | Camping World
Camping World
17K+
$45.99
Marshall Master Lock Trailer Coupler Lock | Camping World
Camping World
$42.99
Master Lock Stainless Steel Receiver Lock With Adjustable Coupler Latch Lock, 5/8in. (16Mm), Model 1481DAT
Northern Tool
483
$42.99
Master Lock Stainless Steel Receiver Lock With Adjustable Coupler Latch Lock, 5/8in. (16Mm), Model 1481DAT
Northern Tool
$35.74
Master Lock 605DAT | Coupler Latch Lock, Keyed Different, Solid Brass With 3/4" Shackle
AllDataResource.com
1K+
$35.74
Master Lock 605DAT | Coupler Latch Lock, Keyed Different, Solid Brass With 3/4" Shackle
AllDataResource.com
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
17K+
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
$108.91
Master Lock 389DAT | Universal Trailer Coupler Lock
AllDataResource.com
17K+
$108.91
Master Lock 389DAT | Universal Trailer Coupler Lock
AllDataResource.com
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
8
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$37.95
Master Lock Universal Coupler Lock, Rekeyable Cylinder, Fits 1-7/8", 2" & 2-5/16", 379ATPY
Global Industrial
4K+
$37.95
Master Lock Universal Coupler Lock, Rekeyable Cylinder, Fits 1-7/8", 2" & 2-5/16", 379ATPY
Global Industrial
$59.79
Fulton Gorilla Guard Trailer Coupler Lock 63228
wholesalemarine
1K+
$59.79
Fulton Gorilla Guard Trailer Coupler Lock 63228
wholesalemarine
$128.90
Master Lock 379ATPY | Universal Trailer Coupler Lock, Keyed Different, Rekeyable Cylinder
AllDataResource.com
4K+
$128.90
Master Lock 379ATPY | Universal Trailer Coupler Lock, Keyed Different, Rekeyable Cylinder
AllDataResource.com
$44.99
Master Lock Silver Alloy Steel Trailer Coupler Lock - 377KA-0313
Acme Tools
2
$44.99
Master Lock Silver Alloy Steel Trailer Coupler Lock - 377KA-0313
Acme Tools
$60.95
Master Lock Gray Zinc Die Cast Coupler Lock
Airgas
1K+
$60.95
Master Lock Gray Zinc Die Cast Coupler Lock
Airgas
$15.99
Master Lock Solid Brass Coupler Latch Trailer Lock, With 3/4in. Shackle, Model 605DAT
Northern Tool
1K+
$15.99
Master Lock Solid Brass Coupler Latch Trailer Lock, With 3/4in. Shackle, Model 605DAT
Northern Tool
$40.42
Masterlock 379ATPY Universal Trailer Coupler Lock With Rekeyable Cylinder
Toolup.com
4K+
$40.42
Masterlock 379ATPY Universal Trailer Coupler Lock With Rekeyable Cylinder
Toolup.com
$33.37
Master Lock 1/2 in And 5/8 in Swivel Head Receiver Lock W/Ss Adj Coupler Latch Lock Stainless Steel One_Size | 2848DAT
Lowe's
$33.37
Master Lock 1/2 in And 5/8 in Swivel Head Receiver Lock W/Ss Adj Coupler Latch Lock Stainless Steel One_Size | 2848DAT
Lowe's
$41.99
Master Lock Trailer Coupler Lock - Red
Sportsmans Warehouse
17K+
$41.99
Master Lock Trailer Coupler Lock - Red
Sportsmans Warehouse
$43.75
Master Lock Universal Trailer Coupler Lock
Forestry Suppliers Inc.
17K+
$43.75
Master Lock Universal Trailer Coupler Lock
Forestry Suppliers Inc.
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
1
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$28.99
Master Lock Trailer Coupler Lock Universal, Keyed Different, Fits 1-7/8" (48Mm), 2" (51Mm) And Most 2-5/16" (59Mm), Red
BudgetBuys
$28.99
Master Lock Trailer Coupler Lock Universal, Keyed Different, Fits 1-7/8" (48Mm), 2" (51Mm) And Most 2-5/16" (59Mm), Red
BudgetBuys
$105.16
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in.
eBay
8
$105.16
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in.
eBay
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
17K+
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
17K+
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$38.95
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378. Master Lock. Hitch Pins & Locks. 071649213236.
eBay
7
Free shipping
$38.95
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378. Master Lock. Hitch Pins & Locks. 071649213236.
eBay
$25.08
Master Lock Trailer Coupler Latch Lock - 3-1/2" Span - 9/32" Diameter - Chrome ML94VR
etrailer.com
1K+
$25.08
Master Lock Trailer Coupler Latch Lock - 3-1/2" Span - 9/32" Diameter - Chrome ML94VR
etrailer.com
$73.64
Master Lock Receiver And Coupler Lock Kit, Model 3895Dat
Walmart
11
Free shipping
$73.64
Master Lock Receiver And Coupler Lock Kit, Model 3895Dat
Walmart
$64.89
Master Lock 1 Keyed Alike Universal Trailer Coupler Locks. Master Lock. Black. Hitch Pins & Locks. 379KA.
eBay
13
Free shipping
$64.89
Master Lock 1 Keyed Alike Universal Trailer Coupler Locks. Master Lock. Black. Hitch Pins & Locks. 379KA.
eBay
$78.91
Master Lock Trailer Coupler Lock 1 Pk
Walmart
1
Free shipping
$78.91
Master Lock Trailer Coupler Lock 1 Pk
Walmart
Master Lock 2-5/16
1:48
Master Lock 2-5/16
Jan 28, 2014
etrailer.com
Master Lock Universal Heavy-Duty Coupler Lock Installation
0:53
Master Lock Universal Heavy-Duty Coupler Lock Installation
Nov 4, 2011
etrailer.com
In-Depth Review of the Master Lock Trigger Style Coupler Lock for 1-7/8
3:13
In-Depth Review of the Master Lock Trigger Style Coupler Lock for 1-7/8
Sep 15, 2022
etrailer.com
Comprehensive Review: Master Lock Hitch Receiver and Coupler Latch Lock Set
3:47
Comprehensive Review: Master Lock Hitch Receiver and Coupler …
Oct 1, 2020
etrailer.com
A Closer Look at the Master Lock Trailer Coupler Lock
2:21
A Closer Look at the Master Lock Trailer Coupler Lock
7 months ago
etrailer.com
Master Lock Trailer Coupler Lock Review 377DAT
6:49
Master Lock Trailer Coupler Lock Review 377DAT
Nov 23, 2022
etrailer.com
Master Lock Trailer Coupler Lock Review
2:50
Master Lock Trailer Coupler Lock Review
Oct 26, 2023
etrailer.com
0:16
Master Lock Universal Coupler - Shocking! #asmr #hack #hacker #…
18.6K viewsMay 3, 2024
FacebookLock Picking V
1:51
Master Lock Trailer Coupler - Straight Tongue Coupler - 2836AT …
Jul 10, 2014
etrailer.com
1:07
Master Lock 2989AT Universal Heavy Duty Coupler Lock
1 viewsMar 6, 2009
amazon
4:30
Ultimate Overview of the Master Lock Trailer Hitch Receiver Lock a…
Apr 10, 2018
etrailer.com
0:30
Master Lock Silver and Red Receiver Lock, Stainless Steel Bar…
Aug 17, 2005
amazon
0:45
Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. …
36 viewsOct 3, 2008
amazon
Top 5 Best & Most Secure Trailer Hitch Locks • (2026 Reviews)
Aug 2, 2020
antitheftboss.com
0:35
Master Lock 178D: Features & Benefits
2.5K viewsDec 11, 2020
YouTubeMaster Lock
0:42
Master Lock 175DLHWD: Features & Benefits
1.6K viewsDec 11, 2020
YouTubeMaster Lock
1:52
CM Hammerlok Coupling Link
105.8K viewsJan 27, 2015
YouTubeColumbus McKinnon
5:04
Master Lock #21 Padlock Rekeying How To Re-Key
38.7K viewsNov 17, 2014
YouTubeWayne Winton
4:55
(1537) TriMax UMAX50 Trailer Coupler Lock
59.4K viewsJul 26, 2019
YouTubeBill Johnson
5:22
BOLT Off Vehicle Coupler Lock Attack Video
30.8K viewsOct 1, 2019
YouTubeBOLT Lock
1:03
Trailer Coupling Locks // Supercheap Auto
66.2K viewsDec 14, 2015
YouTubeSupercheap Auto
4:05
HOW TO CHANGE MASTER LOCK COMBINATION CODE
475.8K viewsJun 5, 2021
YouTubeDIY GEEK
1:49
07 - How Masterkeying Works
945.5K viewsSep 22, 2011
YouTubeSchuyler Towne
3:14
[845] Master Locks With INEXCUSABLE Design Flaws
6.2M viewsMar 2, 2019
YouTubeLockPickingLawyer
4:29
Coupler Locks to Secure Your Trailer
53.7K viewsJun 4, 2021
YouTubeU-Haul Trailer Hitches And Towing
1:09
Operating the Master Lock 5400D & 5401D Lock Boxes
701.1K viewsAug 12, 2010
YouTubeMaster Lock
1:46
U-Haul Stainless Coupler Lock: Review and Demo
10K viewsJun 4, 2021
YouTubeU-Haul Trailer Hitches And Towing
7:26
(1532) Master Lock Trailer Couplers (379ATPY & 389DAT) (JUNK!)
106.8K viewsJul 17, 2019
YouTubeBill Johnson
3:06
(642) Master Lock Combo Box - EZPZ to Open! (JUNK!)
750.2K viewsJan 2, 2015
YouTubeBill Johnson
5:13
(Picking 3) Master combination lock (604DAU) - picked (decoded)
18.8K viewsMar 6, 2018
YouTubeSwynndla
See more videos
Static thumbnail place holder

Shop Master Lock Coupler Lock Review

Sponsored
About our ads
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Red - Master Lock - Pack Of 6
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Red - Master Lock - Pack Of 6
Uline
$92.00
Group Lock Box - Master Lock
Uline
$92.00
Group Lock Box - Master Lock
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Yellow - Master Lock - Pack Of 6
Uline
$126.00
Master Lock Lockout Padlock - Set Of 6 Keyed Alike, 1 1/2" Shackle, Yellow - Master Lock - Pack Of 6
Uline
$64.61
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
911
Free shipping
$64.61
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
$40.73
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
3K+
Free shipping
$40.73
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
17K+
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
1K+
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
1K+
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
$31.99
Master Lock SS RECIVER/COUPLER, 2848DAT
Advance Auto Parts
4
$31.99
Master Lock SS RECIVER/COUPLER, 2848DAT
Advance Auto Parts
$14.65
Master Lock Trailer Coupler Latch Lock 2878DAT
DkHardware.com
$14.65
Master Lock Trailer Coupler Latch Lock 2878DAT
DkHardware.com
$45.99
Marshall Master Lock Trailer Coupler Lock | Camping World
Camping World
17K+
$45.99
Marshall Master Lock Trailer Coupler Lock | Camping World
Camping World
$42.99
Master Lock Stainless Steel Receiver Lock With Adjustable Coupler Latch Lock, 5/8in. (16Mm), Model 1481DAT
Northern Tool
483
$42.99
Master Lock Stainless Steel Receiver Lock With Adjustable Coupler Latch Lock, 5/8in. (16Mm), Model 1481DAT
Northern Tool
$35.74
Master Lock 605DAT | Coupler Latch Lock, Keyed Different, Solid Brass With 3/4" Shackle
AllDataResource.com
1K+
$35.74
Master Lock 605DAT | Coupler Latch Lock, Keyed Different, Solid Brass With 3/4" Shackle
AllDataResource.com
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
17K+
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
$108.91
Master Lock 389DAT | Universal Trailer Coupler Lock
AllDataResource.com
17K+
$108.91
Master Lock 389DAT | Universal Trailer Coupler Lock
AllDataResource.com
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
8
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$37.95
Master Lock Universal Coupler Lock, Rekeyable Cylinder, Fits 1-7/8", 2" & 2-5/16", 379ATPY
Global Industrial
4K+
$37.95
Master Lock Universal Coupler Lock, Rekeyable Cylinder, Fits 1-7/8", 2" & 2-5/16", 379ATPY
Global Industrial
$59.79
Fulton Gorilla Guard Trailer Coupler Lock 63228
wholesalemarine
1K+
$59.79
Fulton Gorilla Guard Trailer Coupler Lock 63228
wholesalemarine