Hetman Light Rotor Oil #11 (Lightweight) - 1oz bottle
Hetman Light Rotor Oil (#11). For horns with very tight valves.
Rotor Lubricants: Hetman® Synthetic Rotor Lubricants provide for long-lasting rotary valve performance for french horns, trombone rotary valves, and rotary trumpets. These lubricants will protect rotors and valve casings against corrosion and wear while improving valve seal. Hetman® Synthetic Rotor Lubricants will not swell rubber bumpers or damage plastic components.