Professional tuning tube bracket for brass instrument and maintenance. Designed to hold tuning slides securely during polishing, assembly, and alignment, this fixed rod delivers stable support and accurate positioning for trumpet and trombone work. Key benefits Accurate alignment: Holds tuning slides in the correct position to ensure smooth movement and reliable fit during reassembly. Durable material: Machined from strength brass for wear resistance and longterm stability under frequent workshop use. Surface protection: Polished finish reduces friction and distributes pressure evenly to minimize the risk of surface scratches or dents. Broad compatibility: Engineered to work with most standard brass instrument tuning slides, suitable for trumpet and trombone maintenance. Stable performance: Fixedrod design provides consistent support so technicians can apply controlled polishing and alignment without shifting. Features Material: strength brass Finish: polished to reduce friction and protect instrument surfaces Function: secure holding, alignment, and support for tuning slide polishing and assembly Intended users: luthiers, technicians, instrument technicians, and musicians performing routine maintenance Typical applications Polishing a trumpet tuning slide: Secure the slide on the bracket to polish internal and external surfaces evenly while preventing surface damage. Slide assembly and alignment: Use the bracket to hold the tuning slide steady during fitting and adjustment to ensure smooth movement and correct positioning. Trombone maintenance: Provide stable support for slide sections during inspection, lubrication, or minor repairs. This bracket offers reliable, workshopgrade performance for routine brass instrument maintenance, combining durable construction and a protective finish to make polishing and assembly tasks safer and more precise.