The-spiderWeb-collection A Premium HIGH WIND Trailerable Boat Cover Support System Outstanding 3 Year Warranty 289+ sold in 2016-2017 Once you purchase the system, future cable replacement is only 23.00USD. Grippers will go on working for years and years. No more poles to fall down in the wind. No more major puddles. Built for high wind and heavy rain storms. Can stow in the glove box :-)