Feature: 1. With high accuracy, good quality, excellent workmanship, high overall stability and uniform speed, users can rest assured to buy. 2. Using international silicon steel materials and introducing German technology, it has more stable output, lower noise and longer life. 3. Motor wire adopts pure copper enameled wire, uniformly arranged, low temperature, and not easy to be deformed after long term use. 4. Uniform speed, strengthen printed circuit board board, adopt unique customized technology, uniform grinding, highly precise. 5. Coated with imported rotor glue, the torsion of the motor in the industry is greater than that of the in line motor, with high efficiency and low noise. Specification: Item Type:Stepper Motor Material: Metal Number of Phases: 2 Step Angle: 0.9°±5% Rated Voltage: 4.3V Rated Current: 1.3A Resistance (20°): 2.2x (1±15%) Ω Inductance: 5.7x (1±20%) mH Holding Torsion: >280mN.m. Package List: 5 x Stepper Motor3 x Connection Cable