Features 1、MULTIFUNCTIONAL: Suitable for circuit board and jewelry cleaning, car rust removal, watch polishing, removing dirt and rust, car chip and scratch removal, etc. 2、DURABLE TOOL: Metal ring design improves durability. Fiberglass head helps repair paint scratches and battery terminals, making it the perfect rust removal tool. 3、CELANING BRUSH: Scratch brush pen set commonly used for cleaning, deburring, grinding of mold hardware equipment and other fields, etc. 4、PORTABLE DESIGN: Comes with a small plastic storage box for grouping and organizing these brushes, you can easily carry them around. 5、EXCELLENT MATERIAL: Rust remover brush pen is made of durable steel, copper and fiberglass to last a long time, and the brush hair made of nylon and fiberglass for easier removal of impurities. Specification Item Type: Scratch Brush Pen Set Material: Nylon, copper, steel, fiberglass Package List 4 x Brush1 x Plastic Box Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store