Heavy duty triangular wheel clamp for 15" to 18" tyres on trailers, caravans, cars, horseboxes and more. Highly visible deterrent to protect from opportunist theft. Covers wheel nuts, wheel trims and alloy wheels. Fully adjustable (set once only) for wheel diameter. Features a protective rubber on back plate to prevent damage to the wheel when fitted. Steel Material For 15-18" Wheels Water-Resistant 3 Keys Supplied Easy to Fit No Tools Required for Assembly Steel Material For 15-18" Wheels Water-Resistant 3 Keys Supplied Easy to Fit No Tools Required for Assembly