Genuine Thread Tension Knob B310670400D for Juki MO-814 Sewing Machine
This is a genuine Juki thread tension knob (Part No. B310670400D) designed for the Juki MO-814 overlock sewing machine. It is an original OEM replacement part used to adjust and control the thread tension for smooth, balanced, and precise stitching.
Made to Juki’s factory standards, this durable tension knob ensures accurate adjustment, reliable performance, and long service life. It is ideal for replacing a worn or damaged knob to restore proper thread control and maintain high-quality sewing results.