Light - This oil is for instruments with very precise valve tolerances such as Yamaha's professional models, the Z series , the Xeno series ,and the Xeno Artist models. It is especially suited for players with very fast fingers.

Regular - The perfect weight oil for all around use in any piston valves. It provides a light , quick touch with smooth long lasting action. This grade oil will work with all piston valve instruments.

Vintage - A thicker oil for older instruments with looser valves to give smooth long lasting action. It is also ideal for instruments with larger valve pistons such as tubas and euphoniums.