1.Bobbin diameter:400mm-630mm 2.Power: Motor 3.Good quality and competitive price 400mm-630mm-Double-heads-motor pay off accessories of exturding machineSpecifications of 400mm-630mm-Double-heads-motor pay off1.Bobbin diameter:400mm-630mm2.Power: Motor3.Good quality and competitive price sell 400mm-630mm-Double-heads-motor pay off