Yamaha YAC-HKO Key Oil Heavy for Flute Clarinet Saxophone Oboe Bassoon (YACHKO YAC HKO) Classical / Electric Guitars it’s easy to create perfect

it’s easy to create perfect real-time harmonies in any key

Enjoy music for long hours without any discomfort

The class-compliant USB port connects to any Mac/PC/iOS/Android device with no drivers needed

Shipped connected for low-impedance operation

adding your own arrangements by controlling the sound for each beat with the 16 ON/OFF buttons

Yamaha YAC-HKO Key Oil Heavy for Flute Clarinet Saxophone Oboe Bassoon (YACHKO YAC HKO) Classical / Electric Guitars it’s easy to create perfectYamaha YAC HKO Key Oil Heavy for Flute Clarinet Saxophone Oboe Bassoon (YACHKO YAC HKO) Yamaha synthetic key oil is a special proprietary blend designed for use on woodwind key rods and pivot points, with a corrosion inhibitor that gives added protection to the metal over time. This heavy viscosity is a thicker blend that works well on older instruments with loose mechanisms. 20mL bottle. Imported from Japan.