ANCO WX-21-UB Winter Extreme Beam Wiper Blade - 21", 1 pack Arctic Armor hydrophobic shield prevents ice build-up on the wiper blade surface Metal reinforced end caps provide additional strength and protection against ice scraper damage Articulated Contact spoiler technology provides superior blade-to-windshield contact Geo Core honey comb spoiler design provides light-weight, flexible and durable protection against snow pack and road debris Available in lengths 14"- 28"