Designed originally for securing lorry side and tailboards, its use has been extended to pallets, transit crates, lockers and a wide range of machinery. Essentially, a captive cotter which dispenses with loose cotters and chains. It is secure, robust and simplicity itself to use. It eliminates lost cotters, broken chains and damaged paintwork. It is a complete fastener in itself and its one piece construction saves time in fitting compared with the two parts of a peg and cotter fastening.