This key oil by Yamaha comes in a leak proof 8ml bottle, ideal for carrying inside an instrument case, ready for a quick, easy and clean application. Best used sparingly for smooth, noise-free action on all keywork. Suitable for use on woodwind instrument keywork. Supplied in leakproof 8ml bottle. Application to moving keywork parts will ensure a smooth action. Can help remove issues with noisy, clanky keywork. Fits neatly in an instrument case or music bag. This Heavy version is more viscous and is best used sparingly.
