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Set of 36 loop end strings fits Oscar Schmidt OS73B & OS73C Autoharps (the black “1930’s A-Model Reissue” autoharps that are still in production).
Replacing grommet-end strings on an OS-73? These work fine, just as strong. Made in the USA. Excellent quality.
**See Details section below for more info about A-model Autoharps.
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