90 hard fiber valve discs - 3/4" OD, 0.052" ID, 1/16" thick.
10 Player Piano Hard Fiber Valve Discs, 3/4" OD, 0.052" ID
Set/90 Hard Fiber Aeolian/Duo-Art Player Piano Inner Valve Guides
Set of 90 Hard Fiber Standard Player Piano Inner Valve Guides, New, 1 1/2”
Set/90 Hard Fiber Autopiano Player Piano Outer Valve Guides, 11/16" Centers, New
Set of 90 Hard Fiber Standard Player Piano Inner Valve Guides, New, 1 5/8”
Set/90 Hard Fiber Standard Player Piano Outer Valve Guides, 9/16" Centers, New
