Blurb from Janome
Attaches to back of machine to allow use large cones of thread. When using multiple colours of embroidery thread it makes for trouble-free embroidery, as it allows you to set out your colours as you sew. The additional spool stand allows you to adjust thread colours as you sew.
Fits These Machines
MC15000, MC14000, MC12000, MC10001, MC10000, MC9900, MC9850, MC550E, MC500E, MC400E, MC370E, MC350E, MC300E, MC9450QCP, MC9400QCP, MC8900QCP, MC8200QCP, MC8200QC, MC7700QCP, SKYLINE S9, SKYLINE S7, SKYLINE S6, SKYLINE S5, SKYLINE S3