Six spools of shimmering thread coordinate perfectly with MJ Kinman's August Peridot Fat Quarter Set eQuilter product code FAFQBPER to complete the Birthstone Series pattern eQuilter product code MJPATPER. 80/12 needle recommended. 'MJ Kinman Birthstone Series - August Peridot' Thread Set, includes six 250 yard spools of 40 wt Sulky Rayon Thread.