For added security, the multi-specification safety pin lock and trailer coupler latch come with keyed alike options, allowing you to use a single key for multiple locks. This feature is particularly useful for fleet operators and frequent travelers. To use, position the trailer hitch, insert the pin through the aligned holes, and lock it with the provided key. This ensures that your trailer remains securely attached, preventing and theft. Features -Color:Silver -Material:Galvanized iron -Size:6.00X5.00X0.30cm/2.36X1.97X0.12in -Size:14.00X0.10X0.10cm/5.50X0.04X0.04in -Practical strength: constructed from practical strength materials to ensure safety and prevent accidental loosening during use -Multiple size options: offers multiple size options to fit different locking pins, enhancing its versatility for various needs -Effortless installation: features an effortless installation process, saving you time when securing your trailer or coupler - performance: designed for performance, this product can withstand wear and tear, ensuring prolonged use -Broad application: ideal for a broad range of applications including trailer hitch locks, coupler locks, and other safety mechanisms, ensuring wide list: 1pcs x lock pin