Durable brass wire brush set includes 9 pieces with spiral brass bristles that resist deformation and withstand high temperatures for long-term use. Flexible twisted-wire handles help scrub away stubborn oil, carbon, and rust deposits from tubes, pipes, and small parts without easily bending or breaking. Multi-size tube cleaning brush kit features round brass wire brushes in diameters of 6mm, 8mm, 10mm, 12mm, 14mm, 15mm, 18mm, 20mm, and 25mm, all with 12 inch long handles. This wide range of sizes allows you to match the brush precisely to different bores, tubes, fittings, and cavities for efficient, thorough cleaning. Versatile wire cleaning brush set works as metal straw cleaners, test tube cleaning brushes, and wire bottle brushes. Ideal for labware, feeding tubes, condenser coils, carburetors, and small engine parts, as well as for polishing, rust removal, deburring, and surface preparation in automotive, fabrication, and smithing tasks. Each long round wire brush features a robust spiral-knotted wire handle that is tough, firm, and bendable enough to access narrow tubes, deep passages, and confined areas. The convenient hanging ring at the end of the handle makes storage and drying easy, helping keep your brushes organized, accessible, and ready for repeated use. Color: As Shown Material: Brass Package Contents: 9 Pieces Brass Wire Brush((6mm/8mm/10mm/12mm/14mm/15mm/18mm/20mm/25mm)) 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.