The two pins spool stand attaches easily to the handle of your machine. When using multiple colors of embroidery thread it makes for trouble-free embroidery, as it allows you to set out your colors as you sew. This spool stand is compatible with Janome models MC12000 Horizon, MC14000 Horizon, MC15000 Horizon, MC400E, MC8200QC, MC8200QCPSE, MC8900QCPSE, MC9900, Skyline S3, Skyline S6