A small hand held waterproof tool, perfect as a gift or an emergency item to keep in your glove box. Designed to reduce windscreen wiper chips, juddering, squeaking, streaking or inadequate water clearing by easily creating a crisp new clearing edge. Simple and quick to use either wet or dry on a wide variety of windscreen wiper blades. Just a minute or two each week could save you buying the next several sets of wiper blades and keep your family safer on the roads with clear driving vision.