Best Czc Auto Pin Locks in 2026

New patent-pending pin-less link design secures chain to hardened deadbolt, offers no "weak" link in the chain due to the extensive holding power of the link itself against attacks

10mm six-sided chain links made of 3t manganese steel

High security disc-style cylinder is pick and drill resistant

【ANTI-THEFT】 Unlike other hitch pin locks, each lock cylinder is unique and designed by JoyTutus. With solid and heavy-duty No.45 steel construction, adopting a safer zinc alloy lock core and plum blossom keyhole, which can prevent others from towing your trailer away.

【FITMENT TYPE】 Use a tow receiver lock to ensure the towing safety. The locking hitch pin is compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope, 5/8" pin with 2-3/4" effective length perfect for Class III/IV 2" hitch receiver tubes.[NOTE: The weight load rating for JoyTutus hitch lock, Class III - up to 5,000 pounds, Class IV - up to 10,000 pounds, Class V - up to 17,000 pounds.]

【PREMIUM MATERIAL】 The trailer receiver lock uses black electrophoretic painted carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Updated tubular key hole, zinc alloy lock core.

【ANTI-THEFT】 Unlike other hitch pin locks, each lock cylinder is unique and designed by JoyTutus. With solid and heavy-duty No.45 steel construction, adopting a safer zinc alloy lock core and plum blossom keyhole, which can prevent others from towing your trailer away.

【FITMENT TYPE】 Use a tow receiver lock to ensure the towing safety. The locking hitch pin is compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope, 5/8" pin with 2-3/4" effective length perfect for Class III/IV 2" hitch receiver tubes.[NOTE: The weight load rating for JoyTutus hitch lock, Class III - up to 5,000 pounds, Class IV - up to 10,000 pounds, Class V - up to 17,000 pounds.]

【PREMIUM MATERIAL】 The trailer receiver lock uses black electrophoretic painted carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Updated tubular key hole, zinc alloy lock core.

Trailer Hitch Locking Pin Design: 5/8 Inch diameter with effective length 3-1/2 (3.5) Inch black bent pin. Fit Class III IV 2, 2-1/2 Inch hitch receiver tubes. Please check your hitch setup before ordering

Easy to Operate: Our hitch lock is easy to lock and unlock. 1/4 turn the key to open the receiver lock, the pin will pop up automatically

Security of Hitch Receiver Lock: This towing hitch lock is made of black electrophoretic painted solid steel. Our upgraded zinc alloy tubular lock core adopts more advanced anti-theft technology to improve safety. And watertight dust cap keep the keyhole away from water and dirt

【ANTI-THEFT】 Unlike other hitch pin locks, each lock cylinder is unique and designed by JoyTutus. With solid and heavy-duty No.45 steel construction, adopting a safer zinc alloy lock core and plum blossom keyhole, which can prevent others from towing your trailer away.

【FITMENT TYPE】 Use a tow receiver lock to ensure the towing safety. The hitch pin lock is compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope, 5/8" pin with 4" effective length perfect for Class III/IV 2", 2-1/2",3'' hitch receiver tubes.[NOTE: The weight load rating for JoyTutus hitch lock, Class III - up to 5,000 pounds, Class IV - up to 10,000 pounds, , Class V - up to 17,000 pounds.]

【PREMIUM MATERIAL】 The trailer receiver lock uses black electrophoretic painted carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Updated tubular key hole, zinc alloy lock core.

FIT FOR 2" 2-1/2" TOW RECEIVERS: CZC AUTO dogbone style trailer hitch receiver lock uses 5/8" pin with 3-1/2" effective length perfect for Class III/IV 2", 2-1/2" hitch receiver tubes.

PREMIUM MATERIAL: The trailer receiver lock uses black electrophoretic painted carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Updated tubular key hole, zinc alloy lock core.

FITMENT TYPE: Use a tow receiver lock to ensure the towing safety. CZC AUTO hitch pin lock is compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope, perfect for 2" and 2-1/2" receivers on trailer truck RV car boat.

Kryptonite security levels: 1 (Low) - 10 (High)

10mm six-sided chain links made of 3t manganese steel

Weather resistant nylon sleeve prevents scratches to painted finishes

[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.

Sutekus trailer hitch locks are made of quality zinc alloy, strong and wear resistant and will not break easily. Exterior of the lock is painted to prevent corrosion.

Keyed Alike Locks - There are 4 keys in the package, they can open the 4 trailer locks mutually. This makes it easy for you to manage your trailer locks.

1/4 inch diameter lock pin with a maximum 3/4 inch effective span, Sutekus trailer coupler lock fits kinds of latch-type couplers for towing trailer, boat, RV, truck, car and tractors. Please verify dimension and length of the pin before ordering.