Suitable for overclocking and over edging workpieces of light and medium-weight materials. Low sewing tension,neat and beautiful stitch even running with high speed. Auto lubricated and excellent performance. Applicable to the overedging operation of light and medium materical,moderate,due to its automatic lubricating device,its operates perfectly and smoothly at low sewing tension This series of overlock sewing machines is a basic type of overlock machine that concentrates on the basic range of functions. The machines in this series offer better productivity and stable sewing finishes at maximum sewing speeds of 7500 spm. The various parts of the this series of machines have been optimized and standardized to produce a line-up of economical and efficient machines with superlative cost performance. Specifications Needle gauge :3mm Stitch width :5mm Stitch length :3.6mm Differential ratio :0.7-2 Height of presser foot:5.5mm Needle :DCx27 #11-#18 Motor :3450 r.p.m. clutch motor Sewing speed :7500 s.p.m. Reference : Siruba F series. Included Accessories Instruction manual Needles Professional Assembly required. Â It comes complete with sewing machineÂ fully submerged table and motor ( clutch motor has 1/2 horse power, phase I, 3450RPM speed, 110 to 220 volt switch), everything (drawer, belt, tools and instruction manual) brand new, packed in factory sealed boxes and never been used before.Assembly requiered. Warranty: Head 6 months Motor 1 year.