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

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

2PCS 6-91 / 6-91E Lower Knife For Merrow Machine Overlock Machines

Upper Knife For Merrow Machine #6-90 Overlock Machine Upper Blade

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

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

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

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