Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers

The Kukoofyer TCS-Pro trailer coupler lock is listed for 2-5/16-inch couplers and intended for RV, boat, and utility trailer use. Its claimed tool-free operation and powder-coated alloy-steel construction may suit owners who want a removable coupler lock, but fitment depends on matching the specified coupler size.

At a glance

Designed for a stated 2-5/16-inch coupler size, with the listing advising buyers to confirm their coupler before purchase.
The manufacturer describes installation and unlocking as tool-free.
The listing claims a powder-coated finish intended to resist rust and weather. These are manufacturer claims, not independently verified performance results.

Price

$66.48Save 40%

Reference price: ~~$109.98~~

Price checked: Nov 14, 2026

View offer

Often bought together

ROBLOCK Wheel Chocks (2pair/4pack with Rope) for RV Trailer Camper Truck Car Aircraft, Versatile Heavy Duty Rubber Wheel Chocks Block with 3 Reflective Strips, Tire Wheel Immobilizers & Chocks

$30.99

Pros and cons

Pros

The listed coupler size and stated RV, truck and boat compatibility give buyers a clear starting point for fit checks.
The manufacturer describes quick, tool-free mounting and unlocking for routine use.
Alloy steel and a powder-coated finish are specified.

Technical specifications

9 specifications

Identity
Brand	Kukoofyer
Model	TCS-Pro

Fitment and use
Listed coupler size	2-5/16 Inch
Compatible vehicle types	RV, Truck, Boat
Fit type	Universal Fit

Dimensions and installation
Weight listed	5.22 kg

Materials and protection
Material listed	Alloy Steel
Finish	Powder Coated

Warranty
Manufacturer warranty description	1 year

What to know before buying

Listing details to confirm

The listing states that this lock fits 2-5/16-inch couplers only, despite also calling it a universal fit. Confirm your coupler size and shape before ordering. The listing also varies between alloy steel and hardened steel, and between a brass lock core and an unspecified core. It claims resistance to rust, cutting, prying and 18,000 lbs of force without substantiating those performance claims. The A+ content names an all-weather shield, inner slider and three keys, but the explicit included-components field lists only a trailer lock. Confirm the selected listing's exact kit and key details.

What’s in the box

Trailer lockIncluded
All-weather shield, inner slider and 3 keysCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Owners of RVs, boats or trailers with a compatible 2-5/16-inch coupler.
Buyers who prefer a removable coupler lock described as tool-free to operate.

Less suited to

Owners whose couplers are not 2-5/16 inches or whose coupler fit is uncertain.
Buyers who need independently substantiated resistance ratings or confirmed accessory and key details.

Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 38 ratings

5 stars79%79%
4 stars11%11%
3 stars5%5%
2 stars0%0%
1 star5%5%

Customer feedback highlights perceived solid construction, quality and a well-regarded locking mechanism. One customer is noted as appreciating operation without a key. That feedback may matter to buyers seeking a straightforward coupler lock, but it does not verify the listing's fitment, materials or anti-theft performance claims. Aggregate ratings are mostly in the top category, with a smaller range of lower ratings, and do not explain the reasons behind them.

Positive themes

Customers describe the lock as solidly built and appreciate its quality.
Feedback mentions the locking mechanism, including a note that it can operate without a key.

Frequently asked questions

What coupler size is this lock listed for?

The listing specifies 2-5/16-inch couplers and says to confirm your coupler size before purchase. It does not substantiate compatibility with other sizes.

Does installation require tools?

The manufacturer describes mounting and unlocking as tool-free, with a simple alignment process.

What comes in the package?

The explicit included-components field lists a trailer lock. A+ content additionally claims an all-weather shield, inner slider and three keys, so confirm the selected listing's package details.

Are the anti-theft strength claims independently verified?

No independent verification is supplied. The listing claims resistance to cutting and prying and states an 18,000 lbs force figure, but buyers should treat those as manufacturer claims.