Features: Modelú¦ 17hm201ú+ 17hm206ú+ 17hm208ú+ 17hm602ú+ 17hm604ú+ 17hm607ú+ 17hm805ú+ 17hm809ú+ 17hm810 Step angel ( íp): 0.9 Motor length l(mm): 34~48 Rate voltage (v): 2.4~11.2 Rate current (a): 0.4~2.4 Phase resistance ( ª+ ): 1~28 Phase inductance (mh): 1.8~30 Holding torque (g.Cm): 1400~4800 Lead wire (no.): 4/6 Rotor inertia (g. C¬o): 34~68 Detent torque (g.Cm): 180~260 Motor weight (kg): 0.2~0.34