To ensure a secure and reliable connection for your trailer during transport, follow these steps carefully. First, align the holes of the components that need to be connected. Once the holes are aligned, insert the pin through them. After the pin is in place, secure it by locking it with the D-shaped clip. This locking mechanism is crucial as it prevents accidental disconnections, thereby enhancing the overall safety of your trailer. By following these steps, you can be confident that your trailer components will remain securely connected, providing peace of mind during your travels. Features -Color:Silver -Material:Carbon Steel -Size:7.60X5.60X1.80cm/2.99X2.20X0.71in -Functionality: these square pins are for a variety of furniture and woodworking projects, providing a reliable solution for multiple applications -Widely used: in table, lawn, gardening, farming, truck and top canopy part, trailer, finish mower and tractor or other locking applications -Simplicity: with an easy installation process, these pins can be quickly and effortlessly installed, making them ideal for both professionals and diy enthusiasts -Convenience: the design of these pins allows for quick and easy use, saving you time on your projects -Portability: these pins are lightweight and easy to carry, making them a convenient addition to your toolkit, whether you're working or on the go Package list: 6 Coupler Pin