Bobbin WindersOur hand bobbin winders are available in single end and double end models. Clamp either model to a table. They are belt driven with self lubricating bronze bearings. The single end winder has a tapered shaft that will accommodate bobbins up to 6 long. The double end winder can be used for bobbins, pirns, and large flanged spools up to 9 long and 5 1 2 in diameter. Our electric bobbin winder is double ended and will accommodate bobbins, spools, and