The Elna Elnita es4 Serger has all the featues you are needing on a strong, dependable machine. The Elna Elnita es4 Serger is a 2/3/4 thread model making it very versatile. Check out the features below of the Elna Elnita es4 Serger. Bonus Trolley Included for a limited time. Features of the Elna Elnita es4 Serger 2/3/4 Thread Serger 1,300 stitches per minute Length of feed 1.0-5.0 Cutting width using left needle 5.3-7.3 Cutting width not using left needle 3.1-5.1 Chaining width using left needle 5.5-7.5 Chaining width not using left needle 3.3-5.3 LED lamp Adjustable thread tension Standard Accessories Included Screwdriver Screwdriver (Small) Needle Set Tweezers Lint Brush Net Spool Holder (Large) Oil Needle Threader Foot Controller Instruction Manual Dust Cover