Lower Knife For Merrow Machine #6-91 Overlock Machine Lower Blade

Lower Knife For Merrow Machine #6-91-E Serger Lower Blade Wide

Lower Knife For Merrow Machine #6-91 Overlock Machine Lower Blade 1 Pcs

Lower Knife For Merrow Overlock Machine #6-91 Lower Blade 2 Pcs

Lower Knife (Wide) #6-91-K for Merrow Overlock Sewing Machine

fits Merrow 6-91 Lower Cutter Knife #6-91 691

KNIFE # 6-91 Lower Blade Narrow Merrow Overlock Serger

Lower Knife For Merrow Serger Machine #6-91-E 6-91E Lower Blade Wide 1 Pcs