LOW NOISE: This stepper motor kit features precision engineering with a rotor rubber coating that effectively reduces operational noise. DURABLE & TOUGH: Constructed with robust materials for long-lasting performance. The matte texture on the side walls enhances grip and durability. WIDE APPLICATION: Suitable for various uses including stage lighting, engraving, textile machinery, placement machines, non-standard equipment, 3D printers, and automation equipment. Product Name: Bipolar 42 Stepper Motor Holding Torque: 0.46 Nm / 65 oz-in Working Voltage: DC 9-42V Rated Current: 1.7A Resistance: 2.1 ohm Inductance: 4mH Rotor Inertia: 55 gcm / 0.30 oz-in Weight: 0.28 kg Phase: 2 Step Angle: 1.8 degrees Wiring: Black (A+), Green (A-), Red (B+), Blue (B-) Applications: Stage lighting, engraving, textile machinery, equipment, placement machine, non-standard equipment, 3D printer, automation equipment Color: Black Material: Metal Size: 42 x 42 x 40 mm Package Contents: 1 x 42x42x34 Stepper Motor, 1 x Link Cable Warm Tips: This motor must not be connected directly to a power supply. It requires a constant current driver to prevent damage. Ensure the output current does not exceed the motor's rated current (1.7A) or the working voltage range (DC 9-42V). Note: The package includes only the items listed. Other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement error is +/- 1-3 cm.