50mm Tow Ball Lock, Fixes into 50mm Coupling Head to Prevent Theft\nPart No. 200 132\n\nOverview:\n\nThe Maypole 50mm Tow Ball Lock (MPN 279) is a compact, heavy-duty security device for trailers that use a 50mm coupling head. It fits into the coupling to block the hitch mechanism, helping to prevent unauthorised connection and theft. Built from durable metal with a weather-resistant finish, it is suitable for year-round use on site or at home. This lock is widely used on utility trailers, plant and equipment trailers, box trailers, boat trailers, and caravans, including those used to transport construction and garden machinery. Simple to fit and remove, it offers a practical layer of protection when your trailer is parked, stored, or left unattended, making it a sensible choice for tradespeople, DIY users, and fleet or site managers.\n\nKey Features:\n\n- Designed for standard 50mm coupling heads for a snug, secure fit\n\n- Solid metal construction for strength and tamper resistancep