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Product guide

Kukoofyer TCS-Pro2 Trailer Coupler Lock for 2-5/16-Inch Couplers

The Kukoofyer TCS-Pro2 trailer coupler lock is listed for 2-5/16-inch couplers and intended for trailers, RVs, boats and utility use. Its claimed steel construction and coated finish may suit outdoor storage, while compatibility is limited to the specified coupler size.

At a glance

  • Listed specifically for 2-5/16-inch trailer couplers, including most 2 5/16” A-frame couplers according to the listing.
  • The listing describes high-strength steel with a reinforced, coated construction.
  • Tool-free mounting and unlocking are claimed, with instructions referenced in the listing.
Price
$66.48Save 40%

Reference price: $109.98

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

  • The stated 2-5/16-inch fit gives buyers a clear coupler size to compare against their trailer.
  • The claimed coated, anti-corrosion surface is intended for outdoor use.
  • Tool-free operation may simplify routine installation and removal.

Technical specifications

3 specifications
Identity
BrandKukoofyer
ModelTCS-Pro2
Dimensions and installation
Weight listed10.94 pounds

What to know before buying

  • Confirm that your coupler is 2-5/16 inches and matches the lock's fit requirements before buying. The listing's anti-pry, anti-cut, theft-resistance and weather-resistance statements are manufacturer claims, not independently confirmed performance results.

Who is it for?

A good fit for

  • Owners of trailers with a compatible 2-5/16-inch coupler who want a removable coupler lock.
  • RV, boat and utility-trailer owners seeking a lock described for outdoor use.

Less suited to

  • Buyers with a coupler size other than 2-5/16 inches or whose coupler shape is not compatible.
Kukoofyer TCS-Pro2 Trailer Coupler Lock for 2-5/16-Inch Couplers · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 31 ratings
  • 5 stars80%80%
  • 4 stars7%7%
  • 3 stars0%0%
  • 2 stars0%0%
  • 1 star13%13%

Aggregate ratings lean positive, with most ratings in the five-star category, but a smaller one-star share makes the overall picture less uniform. Without written customer feedback, the ratings do not identify specific strengths or problems. For buyers considering this lock, they cannot establish actual fit or theft resistance, so confirm the 2-5/16-inch coupler compatibility and treat performance statements as listing claims.

Frequently asked questions

What coupler size is this lock listed for?

The listing specifies 2-5/16-inch couplers and says it matches most couplers of that size in an A-frame style. Confirm your coupler's dimensions and shape before purchase.

Does it require tools to install?

The listing describes tool-free mounting and unlocking and refers to following the included instruction manual.

Can it be used outdoors?

The listing claims a coated, anti-corrosion surface for outdoor use. That claim is not independent verification of protection in particular weather or conditions.

Kukoofyer TCS-Pro2 Trailer Coupler Lock for 2-5/16-Inch Couplers · photo 3
Additional product photo 3

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