(MPN # 76544). C.S. Osborne & Co. Osborne Button Parts are the. C.S. OSBORNE & CO. Established in 1826, C.S. Osborne & Co. is a manufacturer. C.S. Osborne produces the most. 144 Count (1 Gross) U" shaped smaller loop and is intended to be used against delicate material to minimize piercing and runs.
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