KÜPER blades are good example of modern wear blade that combine together big lifetime, low noise polution and ceramics use in combination with special rubber to minimize destruction of road marking and elements called "cat eye".
Despite the seemingly high initial cost these blades have one of the best efficiency ratio cost/lifetime what makes them very popular in many European countries. During straight comparison one set of such blades is comparable with 15...20 sets of traditional steel blades on their lifetime.