Rain-X Quantum is an OEM design beam blade with breakthrough technology that instantly applies a water-repelling coating to the windshield to improve wet weather visibility. The built-in blade change indicator turns colour from black to yellow to remind you when it's time to change wiper blades. • Blade Change Indicator: Changes colour over time from black to yellow to remind you when to change the blades.• Water Repelling Coating: Contains a water repelling coating that is applied as you wipe and lasts for months.• Advanced Rubber Technology: Helps ensure smooth operation and enhanced durability.• Easy Connector System: Comes pre-installed with adapters to fit 87% of all vehicles without having to change the adapter. • Can fit 20" J-Hook Arm.