... cutter; 2.Automatic oil supply. Lockstitch sewing machineModel:SF188-DApplication:For sewing shirt, children’s wear, uniform, sheet, curtain and ... apperance and equipped with adjustable cloth cutting mechanism, SF188-D high-speed side cutter lockstitch sewing machine is very ... rod take-up, hook, spiral umbrella-shaped wheel transmission for upper and lower axis, forward and backward feeding and ...