Suitable for most common homehold sewing machines like Janome (all models), EVA (all models from 1970), Toyota, Elna, Jaguar, Bernina (models with 5mm stich width), Bernette, Brother (not for embroidery models), Husqystar, SU brands like Tuula, Tšaika, Podolsk etc.
Not suitable for: professional sewing machines, Radom, Veritas, Finesse, Naumann (models from DDR before 1970's), old PFAFF (before 1970), Husqvarna (older models from Sweden factory), most cheaper Singer machines with horisontal rotating shuttle system, Riccar, Rimoldi, Bernina models with stitch width 9 mm.