This BULLDOG DKS Hitch Lock is suitable for Alko 3004 stabiliser hitch heads, and also the Alko 1300 and 2004 models. Manufactured from mild steel with a highly visible red powder coated finish, the hitch head and fixings are fully encased in the 3mm thick top box and 4mm thick bottom channel. Its compact design means it is both easy to store and quick and easy to fit. It utilises the Bulldog Super Lock Bolt case hardened steel locking pin which is both drill and pick resistant, and comes with a dummy ring to ensure restricted access to the towing point. It is Secured by Design approved and comes with 2 keys and a 5 year guarantee.