Check the listing for details. Professional 4 Thread Serger Overlock Sewing Machine 4-Line w/ Foot Controller. Condition: New. Listed at 117.30 USD. Features: It is suitable for sewing undershirts, cotton sweaters and other needles, cotton, chemical fiber and other fabrics for overlocking and overlocking. The whole machine is compact in design, small in appearance, motor and body as a whole, easy to use and reliable in performance. It is an ideal equipment for household sewing. Product parameters: Number of lines: four lines Use machine needle: DP5*80-95 Maximum speed: 1200 stitches/min Needle pitch: 2.5-3.5mm/0.10-0.14in Hemming width: 4.7-5.7mm/0.19-0.22in Presser foot stroke: 3mm/0.12in Power: 80w Product size: 230*230*490mm/9.06*9.06*19.29in Packing volume: 270*250*285mm/10.63*9.84*11.22in Gross weight/net weight: 8KG(17.64LB)/7.5KG(16.53LB) Packing list: 1*Seaming machine 1*Foot controller.