Features: Professionally engineered brass instrument repair tool mandrel ensures precise alignment for trumpets and brasswinds, crafted from metal for long lasting performances. High strengths corrosions resistant construction maintains structural integrity during cleaning, adjustment, and maintenance procedures for optimal instrument functionality. Ideal for musicians, repair technicians, and band directors requiring brasswind instrument maintenance tools for professional or own use. Essential for rehearsal spaces, music studios, or tourings musicians needing compact brass instrument repair accessories for on site troubleshooting. Ergonomic design simplifies complex repairs for all skill levels, helping preserve sound quality across trumpets, cornets, and similar brass instruments. Specifications: Component: Metal Size: Approx. 13.78inch(35cm) Package Includes: 1x Brass Wind Repair Tool Mandrel note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.