Upper Knife For Bernina Bernette 003, 007D, MO-334, MO-623 Sergers #50143403 Upper Knife For Bernina & Bernette Portable Home Sergers / Overlock Machines. Part # 50143403 For Bernina & Bernette models : Funlock 003, 003D, 004, 004D, 006D, 007D, 008D, 009D, 700D, 800D, 800DLM 1100D, 1200DA, 1300DC, MO-334, MO-334D, MO-335, 2000DE, 2500DCE, MO-613, MO-623, MO-634, MO-634D, MO-634DE, MO-654DE, MO-655, MO-655DE, MO-664, MO-664D and more. All the shipments are sent from New York, USA.