This product is a saxophone roller, made of solid materials, safe and durable. It without being easily damaged. The product is an excellent saxophone roller that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Silver -Material:Tool steel -Size:13.40X0.29X0.29cm/5.27X0.11X0.11in - This repair kit is designed for bass clarinets, making it easy to repair and maintain your instrument. - Multiple Accessories Included: This kit includes multiple commonly accessories, making it convenient for repairs. - Made of solid tool steel, this saxophone roller kit is durable and reliable. - The materials used in this saxophone accessories are rust-resistant, ensuring your instrument stays in top condition. - Excellent craft, carefully down to every detail to give it and beautiful look. Package list: 13 x 1.9mm rollers 6 x 2.9mm rollers 2 x cone shape rollers