Here is a premium quality Yamaha Felt Washer for a Hi Hat Seat. If you are diligent about routine maintenance on your Yamaha hardware, you may want to consider changing out your hi-hat seat washer from time to time. While it's a relatively small, inexpensive part of your hardware, the Yamaha PFW-54A is an essential component when it comes to keeping your stand in perfect working order! Yamaha made this washer from extra thick piano felt quality material.