Brother DB2-716-3 Movable Knife 154575-001 Part No 154575-001 Brother DB2-716-400 class of machine Is the knife that moves across the sewing thread and closes with the stationary knife to cut the thread. If either the movable or stationary knives are blunt this leads to the thread not being cut cleanly or thread jumping out of the needle when you trim off. We recommend that you change both knives. Stationary knife part No 154568-001 Trojan Sewing Machines Supply Equivalent Plain Sewer Lockstitch Machines. Model’s Jack fully Electronic A4 & A4-7H, Jack JK-9100BS-7 and JK-609C. All with modern designs and the latest technology. All competitively priced.
