Check the listing for details. MOD-8933 Serger with Lay-In Threading, 3 and 4 Thread Convertible with Different. Color: WHITE, Condition: New. Listed at 210.68 USD. Janome MOD-8933 Serger with Lay-In Threading, 3 and 4 Thread Convertible with Differential Feed WHITEShipping & DeliveryShips from the U.S.: All orders are shipped from our U.S. warehouse.Processing Time: Orders are processed and shipped within 3 days (excluding weekends and holidays) after receiving your order.Delivery Time: Packages typically arrive within 3-4 business days, excluding remote areas.About this itemMOD-Serger Overlock with 3 and 4 Thread OptionsLay-In Threading System with Color-Coded Thread GuidesQuick Change Rolled Hem and Adjustable Presser Foot PressureDifferential Feed helps prevents stretching and puckeringEasy Accessible Lower Looper with Pretension Setting Slider3 and 4 Thread Stitch OptionsThe 3 and 4 thread stitch options allow you to choose the right setting for your fabric and project. The built-in elasticity within the overlock stitches help garments fit naturally and comfortably.Retractable Upper KnifeThe easily retractable upper knife allows you to serge your without cutting your fabrics. The easily retractable upper knife makes threading safer and easier.Differential FeedThe differential feed eliminates stretching and puckering on all fabric types. Turn the dial up if you are using fabric that stretches or puckers. Turn the dial down to keep your fabric firm as it moves underneath the needle to prevent any unwanted puckers.Wide Open ThreadingThe left side of the serger opens for easy viewing while threading. The lower looper pretension setting slider allows for easy threading in seconds.Multiple Rolled Hem StylesChange the length and width settings for a unique rolled hem look.Quick Change Rolled HemThe differential feed eliminates stretching and puckering on all fabric types. Turn the dial up if you are using fabric that stretches or puckers. Turn the dial down to keep your fabric firm as it moves underneath the needle to prevent any unwanted puckers.