Sonax Glass Wax Scratch remover (250 M) Tools Industrial iron powder adhering to the glass, chemical paint powder and easily removes tough dirt. It removes fine scratches in the glass. Enables easier operation of the windscreen wipers and audio extraction (creak) it prevents. The water in the glass allows it to flow more easily. Rainy weather and at night, it can not remove hard water stains removed from good visibility with sağlar.cam easily.