For Morita 157, Yamata 257 and 357. Acme RXM-77-A Size 14 ball point recommended to help prevent skipped stitches.

Needle Comparison Chart
Other Images

icon Both RXM-77-A and RXM-2-A coverstitch machines use needles UY128GAS or GK16-1 (B63) as photo attached, B63 is same as GK16-1 or UY128GAS