RETRUE Universal Trailer Coupler Lock, 2PC Keyed-Alike Yellow — Adjustable fit 1-7/8in–2-5/16in, Weatherproof Theft Deterrent

RETRUE Universal Trailer Coupler Lock is an adjustable, high-visibility hitch ball lock kit that fits 1-7/8", 2", and 2-5/16" couplers and includes two keyed-alike locks with four matching keys for secure, weatherproof trailer protection.

Whether you tow a utility trailer, camper, boat trailer, or equipment hauler, the RETRUE Universal Trailer Coupler Lock provides a compact, durable barrier that deters theft and prevents unauthorized hooking. The set uses an aluminum body with high-strength A36 steel components, upgraded lock cylinders and thicker keys, and a bright yellow finish to improve visibility and resist cutting, rust, and weathering. The two-piece kit gives you flexibility to lock a coupler quickly while keeping spare keys handy.

How does the RETRUE coupler lock fit different trailer hitch sizes?

The lock is adjustable with 11 locking positions to clamp securely across standard trailer hitch sizes. You set the insert to the correct position for a snug fit so the lock blocks the coupler latch and ball engagement.

• Fits 1-7/8", 2", and 2-5/16" couplers without adapters.
• 11 incremental locking positions for precise fit and reduced play.
• Two-piece kit lets you keep one lock on the trailer and one as a spare.

What materials and build features improve its theft resistance?

RETRUE pairs an aluminum housing with A36 steel internal parts to balance corrosion resistance and cut/shear strength. The lock cylinder was upgraded and the keys thickened to make forced entry more difficult.

• Aluminum body reduces rust and overall weight.
• High-strength A36 steel core resists cutting and shearing attacks.
• Improved lock cylinder and thicker keys increase durability and tamper resistance.

Why is the bright yellow finish useful on a coupler lock?

The vivid yellow coating serves as a visual deterrent and increases the lock's visibility in low light or busy lots, helping prevent accidental collisions with the coupler and making theft attempts more obvious.

• High-visibility color warns would-be thieves at a glance.
• Durable finish holds up to outdoor exposure and resists fading.
• Improves safety during hookup by making the lock easy to spot.

What comes in the package and what warranty support is available?

The kit ships with two keyed-alike locks and four matching keys so each lock operates with the same key—convenient for multi-person use. RETRUE backs the product with a 120-day warranty and customer support to address quality concerns.

• Two hitch coupler locks, keyed alike for one-key operation.
• Four identical keys included so you always have spares.
• 120-day warranty and responsive customer service for returns or questions.

Who is this for: The RETRUE Universal Trailer Coupler Lock is ideal for trailer owners who want a simple, visible, and adjustable theft deterrent without adding excessive bulk or weight. It's suited for occasional and frequent haulers—campers, boat owners, landscapers, and rental fleets—who need corrosion-resistant construction, a snug multi-size fit, and the convenience of keyed-alike locks with spare keys.