Power ac110v / 220v 50 / 60 hz Compressor supply 4 kg / cm2 Power consumption 500w Rotation speed 50 rpm Wire size óx 0.4~3.0mm O.D. Of toroidal óx 80mm max I.D. (finished) óx 4mm min Height of toroidal(max) 50 mm Function: Semi - automatic hook winder. Able to set - up the winding pitch. Able to set - up the winding turns. Able to set up - up the direction of forward or reverse winding.