The five pin spool stand attaches easily to the back 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. Use with: Horizon Memory Craft 12000, Horizon Memory Craft 14000, Horizon Memory Craft 15000 V2, Horizon Quilt Maker Memory Craft 15000, Horizon Memory Craft 9400QCP, Horizon Memory Craft 9450QCP, Memory Craft 11000 Special Edition, Memory Craft 200E, Memory Craft 350E, Memory Craft 400E, Memory Craft 500E, Memory Craft 6650, Memory Craft 9850, Memory Craft 9900, Skyline S3, Skyline S5, Skyline S9