The 3 75mm diy windscreen repair kit is ideal for most scuffs and scratches left by your wiper bladesit can be used for side windows where damage has been left by electric windowsto remove wiper blade marks from your windscreen has never been so easy just give the windscreen a good clean and use the components of the kit to polish the windscreenthis kit allows the polishing of the windscreen and removes the scuffs micro pitting and marks left by the repeated use of the wiper bladesthis ki