Usha International Limited offers Sewing Machines with spring loaded bobbin winder. Usha International Limited is certified ISO 9001:2000 for its marketing practices. Available in both modern and contemporary design, these sewing machines fall under Usha International Limited Janome Straight Stitch range. Sewing Machines with spring loaded bobbin winder bears the model name Roopa Family. These machines feature lever type stitch regulator for forward and reverse stitch control. The auto tripping and spring loaded bobbin winder of these machines enables uniform winding of bobbin. The ISI marked Sewing Machines with spring loaded bobbin winder possess metallic T.T. Lever screw cap.