【Practical Function】: This trailer hitch pin allows the hitch and your trailer to have a more solid connection. It can help your trailer operate more efficiently. It also has the ability to help you secure your trailer cover and prevent your trailer cover from getting lost.【High Quality】: This trailer hitch pin and clip are made of hard metal and will not break easily. They are coated with a zinc layer, which greatly contributes to their rust and corrosion-resistant qualities. And they are dimensionally accurate and can be assembled very snugly.【Humanity Design】: The end of this trailer hitch pin is designed to be curved. This design can effectively avoid it from slipping off during use. Not only that, this also makes it easier to grip. The R-shaped clip can snap into the hitch pin more conveniently. As a result, you can use it with less effort.【Easy to Install】: The installation of this trailer hitch pin is very simple and does not require any other additional tools. Step 1, insert the ball mount or other hitch accessory into the receiver. Step 2, align the pin holes on the side of the receiver. Step 3, insert the hitch pin and install the clip.【Wide Applicable】: Each piece includes a trailer hitch pin and a clip. You can choose between a one-piece set or a four-piece set. Excluding the bent part, it is 2.97 inches long and fits most trailer receivers on the market. Its diameter is 0.59 inches. Make sure it fits your trailer receiver port before you buy it.