Best Czc Auto Pin Locks in 2026

HEAVY DUTY TRAILER HITCH LOCK – It’s a newly upgraded trailer hitch lock with all metal construction. Two tubular keys are included to ensure easy fit and detach.

UNIVERSAL COMPATIBILITY - The trailer hitch locks is designed with a diameter 5/8" and a length of 3-1/2”. It is compatible with class III IV hitches, 2” 2-1/2” hitch receiver, big towing truck and car (Please make sure of the size of the lock or email us for more information before placing an order).

SAFE & EASY TO USE - The core of the hitch lock is made of premium zinc alloy tubular. Its anti-theft design can withstand significant blows from different kinds of external force. Additionally, the lock includes a rubber cap and 8 rubber O-rings, which effectively keeps the keyhole away from dirt, dust, water and prevents any rattling noises.

[Higher Security and Theft Deterrence] The trailer receiver lock is made with high-strength steel. So that the trailer hitch pin lock can ensure locking safe and protect your trailer and trailer hitch ball mount from theft.

[Compatible with Most Hitches] With a 5/8-inch diameter hitch pin and 2-3/4 inches of effective pin length, our trailer hitch receiver lock fits 2-inch any receiver tubes, and it is suitable for class V hitches.

[Durable and Watertight] The all-weather cover cap of our trailer hitch lock keeps the keyhole away from water and dust. The dustproof and waterproof lock pin is more durable.

[Higher Security and Theft Deterrence] The keyed alike trailer receiver lock is made with high-strength steel. So that the trailer hitch pin lock can ensure locking safe and protect your trailer and trailer hitch ball mount from theft.

[Compatible with Most Hitches] With a 5/8-inch diameter hitch pin and 2-3/4 inches of effective pin length, our trailer hitch receiver lock fits 3-inch any receiver tubes, and it is suitable for class Class III & IV hitches.

[Durable and Watertight] The all-weather cover cap of our trailer hitch lock keeps the keyhole away from water and dust. The dustproof and waterproof lock pin is more durable.

[Higher Security and Theft Deterrence] The trailer receiver lock is made with chrome painted solid steel. So that the trailer hitch pin lock can ensure locking safe and protect your trailer and trailer hitch ball mount from theft.

[Compatible with Most Hitches] With a 5/8-inch diameter hitch pin and 2-3/4 inches of effective pin length, our trailer hitch receiver lock fits 2-inch any receiver tubes, and it is suitable for class V hitches.

[Durable and Watertight] The all-weather cover cap of our trailer hitch lock keeps the keyhole away from water and dust. The dustproof and waterproof lock pin is more durable.

STURDY AND DURABLE: The lock body is made of stainless steel. The rubber key slot cover ensures that the zinc alloy tubular lock core is free from water and dirt, thereby protecting the inside of the lock from rust. It is difficult to copy the plum blossom key, which effectively reduces the record of stealing and opening, and is more secure.

SAFETY EXPERIENCE: The trailer receiver lock is used to position the bolt to ensure traction safety and effectively prevent the trailer arm from falling off when working. The stainless-steel material improves the hardness and bearing capacity, unlike another material such as aluminum alloy and carbon steel, this lock remains strong and rustless even in extremely horrible climate.

EASY TO OPERATE: This dog-bone type receiver lock can be locked without a key. To remove the locking mechanism, simply turn the key and the pin will pop out automatically.

[ALL FOR ULTIMATE SECURITY] We apply strict standards for manufacturing this trailer hitch lock by utilizing all steel construction that is literally bolt cutter proof. It offers everything a customer could be looking for in a hitch lock and will do everything in its power to ensure your trailer does not get stolen.

[CAP FOR THE KEYHOLE] Our trailer hitch receiver lock features one watertight cap that keeps the keyhole away from water and dirt and helps reduce the effects certain weather conditions can have on the integrity of the lock. If live in a place where you expect rain a lot this will really benefit your particular needs, and it would be beneficial to anyone regardless of the climate where you live.

[EASY INSTALLATION] Our trailer lock pin can be installed easily. As it contains only two main parts, as long as you couple these two parts with the hitch and give them a push, they will be automatically locked. This is because this lock has a push to lock mechanism that makes this product extremely easy to use.

[Package Include] One lock pin ( 1/4" diameter&3-1/2 span) + one lock head( 361°rotating design& water proof rubber cap) + two tubular keys ( one for standby).

[Security Guarantee] Made of heavy-duty steel, our trailer hitch is durably and strong. Its reinforced zinc alloy tubular lock core and stronger tubular keys improve the security.

[Push-to-lock Design] Our trailer coupler lock is designed for easy operation. With the push-to-lock design, you can easily push to lock it without using key. To open it, just turn the key a little bit and the pin will pop out by itself.

UNIVERSAL APPLICATION - METOWARE Keyed Alike Trailer Hitch Locks & Coupler Lock Kit; 5/8” Dia 3-1/2” Long Trailer Hitch Lock perfect for Class III/IV 2", 2-1/2" hitch receivers, 1/4” Dia Trailer coupler lock fits latch-type couplers with a max span up to 3/4 inch. (Please confirm your required size or email us for more suggestion before having the set).

KEYED ALIKE - For your convenience, this trailer hitch locks set come with 4 key all alike. You can easily open this set of lock by one key. Solving the trouble of constantly rummaging in your pocket for different keys. More spare keys make you not worry about key break or lost.

HIGH QUALITY MATERIAL – Made of premium strength steel and coated with electrophoretic paint, the trailer hitch locks are durable and rust-proof. Updated trailer tongue lock with rubber rings can prevent rattle noise and reduce the risk of scratches. The trailer lock set is reliable for long-term hauling and is secure for full protection, safely protecting your trailer, boat, camper and so on from theft.