... Product DescriptionSynchronous feeding material automatic lubrication automatic thread trimming device sewing machine ModelGC0303-D2Product Photo Feature 1Sewing medium ... as textiles, leather, polyethylene, synthesis, etc.Suitable for sewing bags, sails, tents, bag, coats, leather products, ... Synchronous feeding material automatic lubrication automatic thread trimming device sewing machine GC0303-D2