Opel Astra GTC wiper blades from Wipertech are designed to deliver a perfect fit and exceptional performance for your specific model and year. Each option below includes the correct Opel Astra GTC wiper blade size measurements, making it easy to confirm compatibility before you buy. Manufactured from premium natural rubber with a Teflon® coating for a smoother, quieter, streak-free wipe, Wipertech wiper blades also come with free shipping, a Perfect Fit Guarantee and a 1-Year Warranty.