17.5mm x 3.0mm with a 9.5mm hole.
FA-99 Top Cap Felt Washer Felt Washer 17.5mm x 2.5mm & 11.1mm hole
FA-88 Top Cap Felt washer for Cornets - Set of 3
FA-90 Top Cap Felt Washer 19mm x 3.2mm with an 11.1mm hole- Set of 4
Valve Top Cap Felt Washer - Set Of 10 - For Trumpet/ Cornet/ Trombone Accessory
Upright Piano Top Cap Felt Folded Edges Piano Top Felt Strip Thin
Upright Piano Top Cap Felt Thin Piano Top Felt Strip Lightweight
