Bach Synthetic Rotor Oil (old packaging)

Old Packaging. Premium synthetic rotor oil formulated to keep your brass instrument valves operating smoothly and responsively. Bach Synthetic Rotor Oil reduces friction and wear, extending the life of your valve mechanism while maintaining consistent action and response. Ideal for regular maintenance of French horns, trumpets, and other brass instruments with rotor valves. Apply sparingly to valve rotors and work through with several rotations. Compatible with all brass instruments using rotor valve systems.