Warranty: 12 Months,3years; Brand Name: PrimoPal; Packaging Detail: 20~50 pcs stepper motors in one carton; Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram; Frame Size: NEMA 17, 23, 34; Custom Design: Available; Certification: ce,ISO,RoHS,UL,ce; Speed: Variable Speed; Product name: mini nema.