Individual replacement button for Oscar Schmidt 15-bar autoharps. Chord designation printed on top. This button style also used on some 12-bar, 10-bar, and 6-bar models. (12-bar, 10-bar, and 6-bar models have been discontinued for many years) NOTE: Use cyanoacrylate glue (superglue) to attach. Contact cement is NOT suitable  and will melt the button.