Scratch Brush Pen Set, Style Prep Sanding With Steel, Brass, Fiberglass, Nylon Replacement Tips for Jewelry, Watch, Coin Cleaning, Electronic Applications, Auto Body Work

• 【4 Pcs scratch pen set】the scratch pen set includes 4 scratch brush pens in different material nibs, meet the cleaning and sanding needs of various scenarios • 【How to use】twist the end of the sanding brush pen to reach the desired length of bristles and stiffness as needed; It is recommended to turn it out to a length of about 5mm to make it more handy to use • 【Multi-functional cleaning pen】the scratch brush pens can be applied in many applications, the pen style brush is good for tight places, electronic applications, removing rust and corrosion; The nylon and fiberglass brushes are soft and elastic. • 【Size and material】each corrosion pen is 4.5 inch long; The 4 types of brush heads are made of steel wire, brass wire, fiber bristle and nylon bristle, the bristles are compact and serviceable • 【Insulated scratch pen】the corrosion cleaning pen is insulated, feel safe to cleaning your battery operated devices