Reciever Lock Feature: The Trailer Hitch Receiver Lock Pin is designed with 5/8" diameter and 3-1/2" long to make it works well with class III IV hitches, big towing vehicle, truck, 2" 2-1/2" Hitch receiver.

Coupler Lock Features: Made of premium strength steel and coated with electrophoretic paint, our trailer hitch is durable and rust-proof. It is reliable for long-term hauling and is secure for full protection, safely protecting your trailer, boat, camper and so on from theft.

Description:
Product name: trailer hook lock
Product material: steel, zinc alloy, rubber (the lock body is steel, the lock core is zinc alloy, and the surface is plated with black electrophoresis)
Product attributes: American trailer lock
Product application: for trailers, mobile RVs and Tundra, Ford F-150 / F-250 / F-350, GMC / Chevrolet 2500/3500 and Dodge trucks with heavy trailers (1/4 inch (opening diameter Φ6) Trailer connection hole)
Product color, black
Product accessories: dumbbell-shaped trailer lock straight rod 5/8" rubber ring 10, R-shaped pin 1, 2 keys, 1/4" small trailer lock
Product function: to prevent the towing hook of the trailer from loosening.
Features:
SAFE and EASY TO USE (RECIEVER LOCK)-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. And the dust cap aims to keep the keyhole away from water and dirt, great design for easier using.
SAFE and EASY TO USE (COUPLER LOCK)-Our coupler locks are easy to operate with screw-type locking action - just turn the key 5-7 times to open or lock, save your time and effort. The tow hitch can be installed quickly and easily so that you can hoop up and head out right away.
Packing list:
Dumbbell Type Trailer Lock * 1pc
1/4-inch Small Trailer Lock * 1pc
Note: Due to different production batches, the main rod of the product has a single hole and a double hole, which does not affect the use and is shipped randomly.