The CS-09 padlock is the mid size padlock in the marineproof range and with its 9mm shackle it has been designed to work with a chain for securing gates, jet skis, kayaks and anything you can get a chain round! The Oxford Marine proof range are manufactured from the highest quality materials including a 304 stainless steel lock body and cylinder to ensure a long operating life in even the harsest marine condtions. 304 Stainless steel lock body and cylinder components ensures long operating life. Anti-drill cylinder shield. Double locking mechanism increases pull strength. 3 keys and replacement key service. Ideal for use with a chain.