META Hardware Trailer Hitch Pin Lock, 5/8" Dia with Extra Long 4" Hitch Lock Fits Class III IV V 2", 2-1/2"& 3" Receivers, Trailer Hitch Lock with Safety Clip and O-Rings for Trailer Truck Car Boat

【UNIVERSAL COMPATIBILITY】- Extra Long 5/8-inch diameter trailer hitch locks with maximum active length 4"" fits all Class III/IV/V hitches with 2"", 2-1/2"" & 3"" receivers. A separate spring clip provides additional safety.. 【WATERPROOF KEY SLOT CAP】- Waterproof cap made of high quality rubber perfectly covers the lock core, keeping the lock hole away from water and dust to prevent internal corrosion of the lock mechanism.. 【PREVENT RATTLING NOISE】- Heavy duty hitch lock is equipped with 8 superior rubber O-rings to help adjust the length of the hitch pin lock, which also can effectively prevent rattling noise caused by shaking during towing.. 【PUSH-TO-LOCK DESIGN】- Long trailer hitch lock is designed for easy operation. 1/4 turn lock and push lock design, you can easily push to lock it without using key. Built-in pop-up design makes operation effortless.. 【IDEAL THEFT DETERRENT】- Solid hitch lock is made from durable hardened steel with black powder paint coating construction, not easily broken or rusty. You can have peace in mind when you leave your trailer anywhere anytime when it is towed with the lock.