Description: Pen style, dual-end design. One head can easily erase the rust oxide layer on circuit boards or metal(iron, copper, aluminum, steel). The other end is soft brush that cleans dust or dirt. Circuit board rust removal pen for derust clean off rust stains. Erase iron rust pen for mobile phone motherboard repairing. Specification: Material: Wood Size: 20x1cm / 7.87x0.39inch Package Includes: 1 Piece Circuit Board Cleaning Brush
