Janome Spool Stand Thread Guide Supporter Square fitting is compatible with the older model Embroidery, Quilting and Sewing machines featuring Square hole for spare spool holder. For example MC9000, MC11000, MC10000, MC7700QCP, DC3050 etc simply check the hole for the spare spool holder to see if it is square or round.
The Thread Guide is used to help support the Thread as it is feeding through the Multi spool Stand and Tension Unit.