Machine Compatibility:
Union Special 39500 8M Series and 39500 9M Series Overedge Overlock Feed Serging Machine
Union Special 39500RB, 39500RBA, 39500RBAC, 39500XERB, 39500UG, 39500HUGC, 39500RC060, 39500CRC060, 39500XERC060, 39500ST, 39500TA, 39500XETA
