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1. Master Lock

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Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers, Master Lock, Trailer Locks #389DAT

#adMaster Lock #ad - We can not key two 2 of these locks the same. Universal coupler lock fits virtually all 1-7/8", 2", and 2-5/16" trailer couplers. The similar 379KA coupler locks are available keyed alike. Simple installation and removal. Advanced locking mechanism resists picking and prying. Resists rust and corrosion. Bright red finish discourages thief's from messing with your trailer. The only difference between this one 389DAT and the 379KA is the color.

Brand	Master Lock #ad
Manufacturer	Master Lock #ad
Height	7.5 Inches
Length	6.5 Inches
Weight	2 Pounds
Width	4 Inches
Part Number	389DAT
Model	389DAT

2. Reese

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Yellow and Chrome, REESE Towpower 72783 Universal Coupler Lock, Heavy-Duty Steel, Adjustable Storage Security

#adReese #ad - Dimensions: 9” x 9” x 3”. Guards against truck or trailer towaway theft in storage. Deters theft: bright, highly visible, deterrent yellow color is durable, and an essential accessory to all types of trailers. Secure protection: easy-to-install lock resists picking, prying and drill outs. Universal fit: ratchet design is adjustable with 11 locking positions and fits 1-⅞”, 2”, and 2-5/16” couplers. Built to last: the reese towpower universal Coupler lock is a premium lock constructed with an aluminum body and heavy-duty steel lock bar.

Brand	Reese #ad
Manufacturer	Reese Towpower #ad
Height	9 Inches
Length	9 Inches
Weight	1 Pounds
Width	3 Inches
Part Number	72783
Model	72783
Warranty	1 Year

3. CURT

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Up to 3/4-Inch Coupler Span, CURT 23521 Black Trailer Tongue Lock 1/4-Inch Pin Diameter

#adCURT #ad - Versatile. For your convenience, two keys are included with this trailer tongue lock. Weather-resistant. This trailer pin lock is protected from the elements with its black painted finish, while the coupler pin is shielded against corrosion with a durable zinc plating.

Easy to operate. Dependable security. To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3/4 inches. This padlock-style trailer tongue lock has a heavy-duty look to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. Two keys included. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.

Brand	CURT #ad
Manufacturer	Curt Manufacturing #ad
Height	2 Inches
Length	7 Inches
Weight	0.45 Pounds
Width	2 Inches
Part Number	23521
Model	23521
Warranty	Limited Lifetime Warranty (One-Year Finish, One-Year Parts)

4. Master Lock

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Zinc Die Cast Coupler Lock, Master Lock 470-377DAT Nickel Chrome Finish

#adMaster Lock #ad - Nickel-plated, zinc die-cast body with a front access key-way for ease of accessibility. Adjusts to fit many makes and models. Uses the master lock K1 key system. Advance locking mechanism resists picking and prying. Fits 1-7/8" and 2" couplers. One of the unique features of this product is the ratcheting shaft which allows it to fit most 1-7/8 inch and 2 inch couplers.

Brand	Master Lock #ad
Manufacturer	Master Lock #ad
Height	2.68 Inches
Length	6.56 Inches
Weight	1 Pounds
Width	7.5 Inches
Part Number	470-377DAT
Model	377DAT
Warranty	LIMITED WARRANTY

5. Tow Ready

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Tow Ready 63228 'Gorilla Guard' Coupler Lock for 2" Couplers

#adTow Ready #ad - Coupler width including lip cannot exceed 3-13/16 inches. Height of coupler lip cannot be greater than 5/16 inch. Fits most 2 inch trailer couplers. Design shields lock from tampering devices.

Brand	Tow Ready #ad
Manufacturer	Tow Ready #ad
Height	3 Inches
Length	7 Inches
Weight	2.1 Pounds
Width	6 Inches
Part Number	63228
Model	63228
Warranty	limited warranty

6. Trimax

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Trimax Black Ultimate Universal Solid Hardened Steel Unattended Trailer Lock UMAX100, Clam Packaging

#adTrimax #ad - Attractive ballistic grade nylon housing absorbs hammer blows and protects against weather. Key hole cover slides up to seal out dirt and grime. Type a key which is a spring loaded, high security key. Trimax corporation is the world’s leading lock manufacturer providing customers’ high quality products through innovative design. Rugged and durable, 7 pin, the key will not bend or break. Weighs 6 pounds. Resists attempted drill outs. One size fits all from 1-7/8", 2", to 2-5/16", all coupler types.

Brand	Trimax #ad
Manufacturer	Trimax #ad
Height	13 Inches
Length	17 Inches
Weight	4.4 Pounds
Width	13 Inches
Part Number	UMAX100
Model	UMAX100
Warranty	n/a

7. Master Lock

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2-Piece Set, Master Lock 2848DAT Key Alike Set with Receiver and Coupler Latch Locks

#adMaster Lock #ad - And 5/8 in. Receiver openings. Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key. Lock application: Best used for vehicles, trailers, and RV hitch locks. Specifications: usable length of receiver pin is 2-3/4 in. Stainless steel lock fits 1/2 in. Includes: one receiver lock, one stainless steel coupler latch lock, two keys; both keys open both locks. Durable design: weather Tough seal and watertight cap provide protection from moisture and dirt.

Brand	Master Lock #ad
Manufacturer	MASTER LOCK COMPANY LLC #ad
Height	1.41 Inches
Length	8.56 Inches
Weight	1.12 Pounds
Width	4.88 Inches
Part Number	2848DAT
Model	2848DAT
Warranty	LIMITED WARRANTY

8. Trimax

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Clam Packaging, Trimax Stainless Steel Lock Fits Couplers with Up to 2 1/2" Span SXTC2

#adTrimax #ad - Trimax corporation is the world’s leading lock manufacturer providing customers’ high quality products through innovative design.

Brand	Trimax #ad
Manufacturer	Trimax #ad
Height	13 Inches
Length	17 Inches
Weight	0.6 Pounds
Width	13 Inches
Part Number	SXTC2
Model	SXTC2
Warranty	n/a