1. Specific connector design with excellent patent jacket is only suitable for BANZ/BMW/FOUCES etc,. 2. Make sure the blade can scrape perfectly no matter the car is under high-speed or against the wind. 3. Avoiding buzz. Quietly and smoothly wiping to make the glass water-wiping coat more efficient. 4. It can suit different weather around world. Welcome to contact OEM Size: inch 14" 13" 14" 15" 16" 17" 18" 19" 20" 21" 22" 24" 26" 28" mm 350 325 350 375 400 425 450 475 500 525 550 600 650 700