Six spools of shimmering thread coordinate perfectly with MJ Kinman's September Sapphire Fat Quarter Set eQuilter product code FAFQBSAP to complete the Birthstone Series pattern eQuilter product code MJPATSAP. 'MJ Kinman Birthstone Series - September Sapphire' Thread Set, includes six 250 yard spools of 40 wt Sulky Rayon Thread.