5 Pcs 3-5v Dc 2 Phase 4 Wire Dia 8mm Dc Stepper Motor Micro Stepping Motor for Digital Products Camera 4 Wire 2 Phase Micro stepper motor for Digital Camera or small household electrical appliances motor diameter: 8MM; Height: 9.2 MM;Output shaft: 0.8MM;The output shaft length: 4MM; Rate Vlotage: 3VDC; Drive mode: 2 phase 4 wire micro stepper motor Weight:2g each ; Package : 5x Micro Stepper Motor