11/16" OD, 0.15" ID. Copied from factory originals. 1/16" thick.
10 Hard Fiber Aeolian/Duo-Art Player Piano inner Valve Guides
10 Hard Fiber Washers/Plates, Early Autopiano Player Piano Valves, New
10 Hard Fiber Standard Player Piano Outer Valve Guides 5/8" centers, New
10 Hard Fiber Autopiano Player Piano Outer Valve Guides, 11/16" Centers, New
10 Hard Fiber Standard Player Piano Outer Valve Guides, New, 9/16" CTC
10 Hard Fiber Washers/Plates, Standard/Autopiano Valves, 11/16”, New
