New.. BNIB Brand New In Box Bukan Barang Second atau Copotan Mesin. 100% Baru pabrikan, Lolos uji Quality Control. Motor Stepper Nema 17 Specifications: Two phase 4 lead wires bipolar stepperStep Angle: 1.8 degree, works with A4988 stepper driver, 3200pps per revolution, high resolution for 3d printers. Rated Current 1.68A Rated Voltage: 2.8V Holding Torque: 5.0 kg.cm Resistance: 1.65 ohms Shaft: 5mm single flat, used with 5mm bore pulleys. Using a 24VDC power supply will allow this motor to be driven at high speed and high torque.