Features: 100% brand new and high qualityOOTDTY  Adopting high quality motor steel material, is provided with high torque, low self-inductance reactance, responsive and can avoid system error.Low loss stators have better high speed performance.Made of international stannard silicon steel material and imported German technology, stable output, lower noise, longer service lifeThe small stepper motors can be used in various area, such as 3D printer; stage lighting; laser- engraving; textile machinery; medical- equipment; placement machine; non-standard equipment; automation equipment etcAll parts are installed and debugged well, easily operate.Easy to install and simple structure.Lower noise, strong torque, stable property and high accuracy.Specification: Model:17HS4023Step Angle:approx 1.8 degreeModel Length:approx 23mmRated Current: 1.0APhase Resistance: 4.1 ohmPhase Inductance:4.1 mHLead Wire: 30.8g.cm²Motor Weight: 132gRated Voltage:DC 4.1VPackage Includes: 1 PC x 42x23 17HS4023 Stepper Motor 1 PC x 1M Cablenote: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment.