Keeping your trailer or caravan safe has never been easier than with the Stoplock Wheel Clamp. Designed to fit 13-15-inch wheels, this is the ideal anti-theft kit for your trailers. With a large central disc to prevent any access to the hub, your wheel can't be removed once this clamp has been fitted.Two keys includedHigh security lock with multiple combinationsCentral disc provides added protection.This heavy duty, steel wheel clamp prevents the wheel from turning in either direction, keeping your trailer in place until it is removed, perfect for keeping it where you left it without risk of someone being able to tow it away whilst unattended. With a thick steel central disc, access to the wheel hub and lug nuts or bolts are restricted, meaning the wheel itself cannot be removed either.