New replacement lower cutting knife.

Part # 550449

Fits Consew models: 14TU854, 14TU857 

Fits Pfaff Hobbylock models: 2.0, 4762 

Fits Singer serger models: 14CG754, 14CG744, 14SH644, 14SH654, 14SH744, 14SH754,14SH764, 14U544, 14U554, 14U555, 14U557, 850SCH 

Fits Viking Huskylock models: S15