McGard offers the largest range of marine security locks on the sector. For over forty years we have been the leading manufacturer of automotive wheel locks and hex nuts, and the same quality has also been transferred to our marine products. The modern design, the development, and the assembly and production methods of McGard allow us to manufacture products of the highest quality at the best possible price. Whether you are looking to protect your stern drives, outboard motors, or propellers from theft or wheel locks for boat trailers, McGard has your solution.