UNIVERSAL FIT — the unique design features 11 adjustable locking positions and fits most 50mm couplers. DETERS THEFT — its bright, yellow colour is highly visible, which helps protect your trailer/caravan against theft. It is an essential accessory for all types of trailers and caravans. This hitch lock resists picking, prying and drill outs. EASY TO MAINTAIN — with a durable high gloss finish, it’s very easy to wipe and wash down, maintaining that as good as a new look once again. PREMIUM AND DURABLE QUALITY — manufactured from cast steel with a high gloss paint finish. This not only makes it rustproof but also beneficially corrosion resistant. It is designed to withstand any weather conditions. SIMPLE TO USE — simply mount the hitch lock onto the ball trailer and slide on the U-shape bar over the trailer hitch, which allows for an easy adjustment. To lock and unlock, use the keys included. COMES WITH TWO KEYS — comes with a set of two security keys.