Yamaha YAC-HKO Key Oil Heavy for Flute Clarinet Saxophone Oboe Bassoon (YACHKO YAC HKO)

Yamaha 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.