Zugkugelkupplung Introducing the CCLIFE Square Trailer Coupling, designed for unparalleled towing convenience and reliability. With a robust construction capable of handling unbraked trailers up to 800kg, this square trailer coupling ensures a secure connection for your towing needs. Engineered for 60mm square tube tongues, its precise horizontal boring distance of 77.5mm and 12mm hole diameter guarantee a snug fit and optimal towing performance. Upgrade your towing setup with the CCLIFE Square Trailer Coupling for unparalleled strength and durability on the road.