... -needle lockstitch sewing machine 1.for sewing suitcase, tents, cushions, leather products; 2.Compound feed. Double-needle lockstitch sewing machine Model:SF20606Application: ... 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 ...