2.Model: PM15S-020-ZCF5 3.Motor type: 2-phase 4-wire 4.Motor diameter: 15mm 5.Motor height: 11.2mm 6.Output shaft diamter: 1.5mm 7.Output shaft length: 13mm 8.Resistance: 28 ohms 9.Step angle: 18 degree 10.Weight: 10g