Symmetrical wind spoiler uses air flow to increase blade-to-windshield contact and shields tension springs from all weather elements for exceptional performance in even the worst weatherPatented bracketless design better resists ice and snow build-up for better performance and visibility in all weatherPrecision-tensioned dual steel springs create tension memory, applying uniform pressure along the entire blade length for crystal-clear visibilityPrecision-cut, specially blended rubber wiping edge removes even the smallest droplets for clear visibility and safer drivingDouble locking connector offers quick, easy, and secure installation on many popular wiper arm types: Hook, Pin, Side Lock, 16mm Narrow Top Lock, 19mm Large Top Lock, Pinch Tab