Yamaha OEM Flugelhorn & Alto Horns (YFH-631 & others) 3 each top cap felt washers. Fits the following:
YAH-201
YAH-201S
YFH-631
YFH-631G
YFH-631GS
YFH-635ST
YFH-635T
YFH-731
YFH-8315G
YFH-8315GS
YHR-863
Yamaha OEM Flugelhorn & Alto Horns (YFH-631 & others) 3 each stem felt washers. Fits the following:
YAH-201
YAH-201S
YFH-631
YFH-631G
YFH-631GS
YFH-635ST
YFH-635T
YFH-731
YFH-8315G
YFH-8315GS
YHR-863