This 3mm x 4mm set screw is a handy replacement hardware piece for use with Janome sewing machine accessories. Set screws are used to secure components firmly in place, preventing shifting during operation. Having a spare on hand means minor hardware issues won’t interrupt your sewing time.

• Precise 3mm x 4mm sizing for a proper fit
• Useful replacement for lost or worn screws
• Affordable way to keep your machine accessories in working order