The MOD-Serger gives you a wide range of serging features in a compact machine. Its sturdy design and precise Janome stitch mechanism ensures beautiful 3/4 thread operation. The MOD-Serger is the perfect companion for the developing fashion enthusiast. This wonderful modern serger gives you the necessary features in a compact machine to make beginner denim projects.Details:3 and 4 Thread ConvertibleEasy Lay-in Tension DialsThreading ChartColor Coded Thread GuidesTension Release LeverEasily Accessible Lower LooperQuick Change Rolled HemLower Looper Pretension Setting SliderEasily Retractable Upper KnifeAdjustable Foot PressureSnap-on Presser FeetAdjustable Stitch Length 1mm to 4mmDifferential Feed Ratio 0.5mm to 2.25mmAdjustable Cutting Width 3.1mm to 7.3mmMaximum Speed: 1,300 SPM