ReviewsSteel Trailer Coupler Lock

CURT 25329 Channel-Mount Adjustable Trailer Coupler, 2-5/16-Inch Hitch Ball, 12,500 lbs

EASILY ADJUSTABLE. Designed to mount onto a vertical channel bracket, this trailer hitch coupler can easily be adjusted up or down to ensure level towing across your vehicle and trailer (CURT channels #48610 and #48650 recommended, sold separately).
SECURE COUPLING. The sleeve-lock latch mechanism of this trailer tongue coupler fully encompasses the trailer ball when coupled, providing maximum security and safety for towing.
PRECISE FIT. This trailer coupler can be mounted on a wide variety of heavy-duty trailers and couple to any standard 2-5/16-inch diameter trailer ball.
HIGH-STRENGTH. Constructed from heavy-duty cast steel, this trailer ball coupler has a capacity of 12,500 lbs. gross trailer weight and 1,875 lbs. tongue weight.
CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this adjustable trailer coupler is finished in a durable black powder coat.

Replaces coupler latch in CURT posi-lock couplers for 2-inch trailer balls (coupler sold separately).
Fits couplers with 2-inch, 2-1/2-inch or 3-inch channel widths (trailer tongue width).
Spring and nut posi-lock mechanism allows for easy adjustment.
Features holes to accept a safety pin or coupler lock.
Constructed from high-strength steel and protected by a durable zinc-plated finish.

Total Trailer Security Keyed Alike - One key opens all five locks. Each lock comes with two keys, for a total of ten keys..
Multiple 5KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same..
Round padlocks 2-3/4" (70mm) wide laminated stainless steel body resists corrosion..
Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (model 37KABLK) applications. For 2-5/16 couplers the better lock set is: Master Lock - 5 Trailer Locks Keyed Alike 5KA-37940-3.
Coupler lock fits 1-7/8", 2" & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit..

Replaces coupler latch in CURT posi-lock couplers for 2-inch trailer balls (coupler sold separately).
Fits couplers with 2-inch, 2-1/2-inch or 3-inch channel widths (trailer tongue width).
Spring and nut posi-lock mechanism allows for easy adjustment.
Features holes to accept a safety pin or coupler lock.
Constructed from high-strength steel and protected by a durable zinc-plated finish.

DEPENDABLE SECURITY. To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design.
EASY TO OPERATE. 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.
VERSATILE. 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.
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.
TWO KEYS INCLUDED. For your convenience, two keys are included with this trailer tongue lock. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.

Replaces coupler latch in CURT posi-lock couplers for 1-7/8-inch trailer balls (coupler sold separately).
Fits couplers with 2-inch, 2-1/2-inch or 3-inch channel widths (trailer tongue width).
Spring and nut posi-lock mechanism allows for easy adjustment.
Features holes to accept a safety pin or coupler lock.
Constructed from high-strength steel and protected by a durable zinc-plated finish.

Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers.
Trailer lock is best used for vehicles, trailers, and RVs.
Trailer coupler lock features advanced locking mechanism to resist picking and prying.
Trailer hitch lock is constructed from zinc to resist rust and corrosion.
Includes one trailer coupler lock, two keys.

Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers.
Trailer lock is best used for vehicles, trailers, and RVs.
Trailer coupler lock features advanced locking mechanism to resist picking and prying.
Trailer hitch lock is constructed from zinc to resist rust and corrosion.
Includes one trailer coupler lock, two keys.

Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers.
Trailer lock is best used for vehicles, trailers, and RVs.
Trailer coupler lock features advanced locking mechanism to resist picking and prying.
Trailer hitch lock is constructed from zinc to resist rust and corrosion.
Includes one trailer coupler lock, two keys.

WIDELY APPLICABLE: 1/4" trailer lock with a maximum 3-3/8'' effective span, CZC AUTO trailer coupler lock fits latch-type couplers for towing boat....
EASY TO USE: CZC AUTO dogbone style hitch lock has a 360 degree rotating head, easy to handle. Simple push-to-lock design without key, after hearing....
DEPENDABLE SECURITY: CZC AUTO trailer lock pin is made of carbon steel, solid and hard to bend. Our trailer tongue lock is coated with chrome....
2 KEYS INCLUDED: For convenience, our trailer hitch coupler lock comes with two keys. You can put the spare key in a separate location for....
WARRANTY: We offer 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues. PLEASE NOTE: Any problem in using CZC....