Product Details: The Accessories Unlimited Barrel Springs are the perfect solution for protecting your antenna mount and vehicle from damage caused by bouncing off of tree limbs, garage doors and other obstacles. Designed for longer or heavier antennas that a standard spring cannot hold upright, these springs are capable of supporting very large antennas. With a heavy duty stainless steel construction, these springs are built to last and provide reliable protection for your antenna and vehicle.<br/><br/>FleetPride is your First Click in Heavy Duty®.