5PCS Nema 17 Stepper Motor Bipolar 2A 84oz.in 48mm 4-lead for 3D Printer/CNC 5pcs/ Package 59Ncm(83.6oz.in) holding torque NEMA 17 bipolar 1.65"x1.65"x1.85" 4-wire 1.8 deg. step angle(200 steps/rev) Rated current 2.0A & resistance 1.4ohms