Nevertheless, hitch pinlocks are divided based upon dimension, trailer hitch class, and towing body weight ability. Since ½-inch pins are meant just for course I and II trailer hitches that has a maximum towing weight of 3,500 lbs, when ⅝-inch pins are made for class III and IV trailer https://lorenzoogwmc.blog2freedom.com/7395583/the-2-minute-rule-for-how-to-lock-trailer