Versatile Scratch Brush Set: This set includes two types of retractable pen-style scratch brushes, one made of brass and the other of high-quality fiberglass, designed for precision cleaning and detailing in watch repair and jewelry making. and Compact Design:them easy to handle and perfect for accessing tight spaces. The retractable design ensures that the bristles are protected when not in use, extending the life of the brushes. Ideal for Delicate Surfaces: The brass brush is perfect for cleaning and polishing soft metals like gold and copper without scratching, while the fiberglass brush is excellent for tougher materials, ensuring you have the right tool for various materials. Professional Quality Tools: Trusted by jewelers and watchmakers, these scratch brushes are essential for anyone needing precise, controlled abrasion for detailed work. Their quality construction ensures lasting durability and performance. Convenient and Easy to Use: The pen-style mechanism allows for easy control and operation, making these brushes a must-have for professionals and hobbyists alike. The compact size fits easily in a tool kit or workbench. The actual product may have slight color difference or difference, which not affect the use Color: yellow + Red Material: Plastic Package Contents: 1*Brass Pen 1*Fiberglass Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.