ProMotorCar PrepPen, Adjustable Sanding Pen Save time and money by replacing folded sandpaper with PrepPen.. Scuff, sand, degloss, clean. Faster, easier and saves money.. Won't scratch glass or chrome.. Reach where sandpaper can't.. Also great for removing rust from paint chips or tight spots.. Cleans electrical connectors too.. Comes with extra long-lasting refill inside handle. 3437