... ; 2.Compound feed. Double-needle lockstitch sewing machine Model:SF20606Application:It is suitable for sewing suitcase, tents, cushions, leather products, ... feed dog, needle bar and presser foot, so that even thicker and longer sewing can be smoothly operated.Speed:2,000rpmHeight ... of presser foot:8-16mmNeedle Use:DPx17Nm ...