Ultimate AP550U wiper blade innovation for modern vehicles\nA specially-engineered adaptor allows the Multi-Clip to be installed on a large selection of modern wiper arms, saving many motorists the considerable expense of purchasing original equipment wipers.\nAerotwin's one-piece design minimises flex, creating optimum blade surface angle, producing ultimate performance and very low wear, whilst also matching the sleek aesthetic of your modern car. Customers who upgrade to Aerotwin generally notice instant improvements and will rarely revert back to a conventional wiper system.