Cotter Pins can commonly be found in marine, in land, and air vehicles. Cotter Pins or Split Pins as they are also known as secure and lock between the clevis fastener system. Cotter pins are easy to install and uninstall. For help with your next project including cotter pins contact Fastener Solutions. We offer a wide variety of materials and sizes in Cotter Pins for your needs. Contact or call us at 866-463-2910.