Prevent tandem-tire shift using just one piece of equipment-Eaz-Lift's Premium Metal Wheel Stop. Zinc-plated for corrosion resistance, has raised ribs on the contact surface for increased traction which helps prevent tire shift/slippage between tandem tires spaced from 3 to 10 Inch apart. It also features a comfort-grip ratchet wrench for easy installation and a lock to keep it secure.