The HELLA Dynaedge Wiper Blade 16inches IAM181 574-161 is a unique product. The innovative aerodynamic Hella DynaEdge frameless wiper blades are structured according to the latest in wiper blade technology with improved design and performance over conventional wiper blades. The integrated flexible spine of the Hella DynaEdge safeguards the rubber blade in a seamless structure and the contour of the blade creates a good fit to the curvature of the windscreen. This frameless wiper blade technology is the modern day design adopted by car manufacturers.