ITEM NAME:2Phase 4 Wire Stepper Motor With Long Lead Screw 5*6.8 MM Micro Stepper Motor FT Product Description Brand Unbranded/Generic MPN Does Not Apply Model Stepper Motor 2 Phase 4 Wire Stepper Motor With Long Lead Screw 5 * 6.8 MM Micro Stepper Motor Motor specifications: 5 * 6.8 MM Motor height: 14.5 MM Model: (2-phase 4-wire) Screw diameter: 2.5 MM Screw length: 44 MM Weight: 5 g Pitch: 1.6mm Working voltage: 3-5V Working current: 200-350mA package:1Pcs.Model Stepper Motor. Pitch: 1.6mm. Screw length: 44 MM. Motor specifications: 5 6.8 MM. Motor height: 14.5 MM.