Electric Bobbin Winders from Leclerc in both Single and Double Ended models. Both have a foot operated speed control. The Single Ended Bobbin Winder has a tapered shaft to be used with Leclerc 4 inch and 6 inch bobbins and spools and Pirns. The Double Ended model holds both ends of the bobbin and is designed for bobbins ranging from 1 to 8 inches.