his extra heavy duty top and bottom feed lockstitch machine comes with a high arm clearance and extra wide bed to make it easy to sew large articles. The large machine pulley helps the machine to attain strong striking power – thus making sewing on multi-layer extra heavy material, whether slippery or gummy simple. The cam thread take up and large shuttle hook with large bobbin capacity mean less down time for bobbin changes. Its extra high foot lift and long needle bar stroke make it the ideal machine in the manufacture of safety belts, webbing, leather trunks, buffing wheels, tents, sails, car covers, book bindings, and similar articles.