10-piece Brass Wire Brush Set — 3 mm Pen-Style for Precise Cleaning and Polishing Key benefits Precise control: 3 mm pen-style design gives accurate handling for detailed work and tight spots. Consistent results: Designed for efficient polishing and rust removal to leave metal surfaces smooth. Ready for repeat use: A 10-piece set provides multiple brushes for ongoing projects or different tasks. What makes it useful Material and construction: Made of high-quality brass wire; the wires are high quality and brittle to deliver firm, consistent abrasion for delicate surface work. Compact size and compatibility: Small, pen-style brushes are ideal when fine control is required and for working on small parts or intricate areas. Performance: Engineered for careful cleaning, precise polishing and targeted rust removal without bulky tools. Who needs it Metalworking hobbyists and craft enthusiasts who work on small or detailed pieces. Professional technicians who need reliable, handheld cleaning tools for precision tasks. Workshops and bench use where controlled abrasion and fine finishing matter. Practical applications (examples) Automotive repair: Remove rust and corrosion from fasteners, fittings and small parts where precision is needed. Metal engraving: Clean engraved recesses and remove debris without damaging surrounding detail. Jewellery making: Polish small components, remove oxidation and refine fine surfaces before finishing. Set contents and function Ten brass wire brushes in a 3 mm pen-style form factor, designed for targeted cleaning, polishing and rust removal on metal parts and detailed workpieces.