Knife Moveable Lever Comp, Singer #550437-391 Details

Fit Singer Serger Machine Models:
14CG744, 14CG754, 14HD854, 14SH644, 14SH654, 14SH744, 14SH754, 14SH764, 14U544, 14U554, 14U555, 14U557

Fit Pfaff Serger Machine Models:
4762, 4772, 4874, Hobbylock 2.0

Fit Husqvarna Serger Machine Models:
Huskylock S15

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