Wide Range of Applications.It can be used in Various Area, such as Stage lighting, Textile Machinery, 3D Printer and etc. 14 inches Wire 40cm , electrical machine, on the other end has Variety Optional Ports; Heat Shrink Tubing Effect to Prevent the Wire Tangled up. Featues - Bipolar 17 Stepper Motor with high torque.low Self-inductance , Responsive and can Avoid . - Each Phase Draws Current 1A at 12V 24V, Allowing for a Holding Torque of 13Ncm(18.4oz.in).With 1.8° (200 steps/revolution). - Connection: Red(A ), Green(A-), Yellow(B ), Blue(B-),The cable length is 400mm euqal to 15.7 inches. - Wide Range of Applications.It can be used in Various Area, such as Stage lighting, Textile Machinery, 3D Printer and etc. 14 inches Wire 40cm , electrical machine, on the other end has Variety Optional Ports; Heat Shrink Tubing Effect to Prevent the Wire Tangled up. - It should be connected to a constant current or chopper driver as a stepper motor. If you connect the motor directly to a power supply, the motor is destroyed. - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Physical Specification - - Material: Metal - Size: 4.2x4.2x2cm - Motor type: bipolar stepper - Holding Torque: 13Ncm(18.4oz.in) - Rated Current/phase: 1A - Phase Resistance: 3.5ohms - Inductance: 4.5mH+/-20%(1KHz) - Frame Size: 42 x 42mm - Body Length: 20mm - Shaft Diameter: 5mm - Shaft Length: 20mm - Length: 16.5mm - Wire: 16inches 4-lead wire NOTE Make sure the to a constant current or chopper drive controller before motor. Connecting the motor directly to a power supply will destroy the motor : 1.8 deg. Package list: 4 x Stepper Motors