TOPICK Trailer Coupler Lock Set Keyed-Alike (Fits 1-7/8"–2-5/16") Weather-Resistant Ball & Latch Locks

TOPICK's keyed-alike trailer coupler lock set secures both the hitch ball and the coupler latch with two robust, weather-resistant locks opened by a single key.

Whether you're parking a boat on the shore, leaving an RV at a storage lot, or hauling equipment on a utility trailer, a compact, dependable locking system prevents opportunistic theft and gives you peace of mind. This kit combines a universal ball-style coupler lock and a U-shaped coupler-latch lock, built from high-strength steel with multiple corrosion-resistant finishes and protective coverings for long-term outdoor use.

Will these locks fit my trailer coupler?

Yes — the kit is made to fit the most common coupler sizes used on trailers and light towing rigs. The ball lock and the latch lock accommodate a variety of receiver diameters so you can protect different trailers without swapping hardware.

• Compatible with 1-7/8", 2", and 2-5/16" trailer couplers
• Coupler latch U-bolt spans approximately 3/4" with 1/4" diameter bolt
• Works on RVs, boats, trucks, and utility trailers
• One kit secures both hitch and latch for complete protection

How durable and weather-resistant are these locks?

The set is engineered for long outdoor life: heavy-gauge steel cores, protective coatings, and rubber dust caps shield moving parts from moisture and grit. Electrocoating and zinc plating reduce rust, while PVC and rubber coverings prevent scratches and slow corrosion.

• Electrophoretic paint and zinc plating for corrosion resistance
• PVC-coated U-shaped bolt protects finish and provides grip
• Rubber caps keep water and dirt out of lock cylinders
• Constructed to withstand road vibration and weather exposure

How secure are the locks against tampering?

The cylinder mechanisms include reinforced internals and a specially designed key profile to make picking and forced entry more difficult. Combined use of the hitch ball lock and the coupler latch lock prevents simple trailer detachment and unauthorized towing.

• Complex lock cylinder for improved anti-tamper resistance
• Reinforced keys and core reduce breakage risk during forced attempts
• Two-lock approach denies would-be thieves easy separation at the hitch
• Multiple keys included so you can store spares off-vehicle

How convenient is the keyed-alike feature for everyday use?

The kit ships with four identical keys so both locks open with the same key, eliminating the need to juggle separate keys for each component. Extra keys let you share access with family or stow a backup in a secure place.

• All locks keyed alike — one key operates both pieces
• Four keys included to replace lost keys or share access
• Keyed-alike setup reduces time unlocking during loading or parking
• Durable key blanks minimize bending and wear

Who this is for: this TOPICK lock set is designed for trailer owners who need a compact, reliable way to secure a wide range of couplers without carrying multiple different parts. It's suited for boaters, RV owners, landscapers, contractors, and anyone who stores or leaves trailers unattended — ideal when you want straightforward installation, weather-resistant construction, and the convenience of one key for both locks.