Features: Brass instrument maintenance oil specially formulated to eliminate key stickiness, enhances playability, and protect leather pads from cracking extends instrument lifespans while ensuring smooth operations. Features a precisions dropper nozzle for controlled application of 100ml high viscosity lubricants made from materials, suitable for trumpets, saxophones, and oboes without residues buildup. Essential for professional musicians, music teachers, and instrument repair shops requiring reliable maintenance solution for brasswinds during rehearsals, performances, and student training. Ideal for concert preparation, weekly instrument care routines, and classroom maintenance demonstrations to preserve valves mechanisms and rotating parts. Compact leak proof bottle with professional grade lubrication formula meets orchestra standard, easily stored in instrument cases for on the go musicians needing key action optimization. Specifications: Material: Lubricating Oil Capacity: 100ML Size: Approx. 5x1.34inch(12.7x3.4cm) Package Includes: 1 Bottle Lubricating Oil 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.