Compatible with the following Brother home sewing machines with a 5mm (max) stitch width:

• Compal Opus 845
• PS-12-40
• PX-100 / 200 / 300 series
• Super ACE III
• Super Galaxie 3000 / 3100D
• XL-3000 / 4000 / 5000 / 6600 series
• XR-31-40