UPPER LOOPER for Serger Machines Essential upper looper replacement part for serger machines. This precision-engineered component is critical for proper thread formation and stitch quality in your serger. The upper looper works in conjunction with the lower looper to create the characteristic overlock stitch that gives serged seams their strength and professional finish. Compatible Models: Kenmore 385: 1564180, 16631490, 16633790, 1664190, 16642090, 16644690, 16655100 Janome New Home: 1110DX, 1200D, 134D, 203, 204D, 234, 234D, 303, 334D, 434D, 534D, 634D, 644D, 734D, 744D, 9002D, 9102D Pfaff: 4752 Features: Precision-engineered for perfect thread formation Essential for proper overlock stitch creation Durable construction for long-lasting performance Easy installation and replacement Maintains consistent stitch quality Part # 784076008