How well do you look after your outdoor spaces and gateways? This Chain Bolt is perfect for a garage door or stable door, acting as a valuable layer of security on top of existing shutting mechanisms. It is easily slid on and off for a simple way to keep your entrances and exits shut tight. When the chain is pulled, the bolt is opened, and then once released the bolt springs back into position - a simple but effective mechanism designed for ease of use. This Chain Bolt has been designed by the manufacturer to withstand moderate outdoor environments. It is powder coated black.The metal itself is strong and durable, giving this product an excellent working life.