Add a splash of professional-looking stitches with the versatile, durable Brother AIR1800 Air Serger. The AIR1800 is an excellent addition to any sewing room and has a list of convenient features that include an error LED indicator light that will notify when the fabric cover is open, a pair of quick-change levers for the rolled hemstitch feature, and a switch that will activate and deactivate the cutting knife. You will be floating on air when it comes time to change threads on the AIR1800. The threading ports are connected to the end of each looper by tubes, and at the touch of a button, a blast of air sends the threads through the loopers, so it is a cinch to change thread colors. You will be walking on air after adding the finishing touches to your next project with the AIR1800 Air Serger.Air Technology ThreadAir Technology Thread AIR1800 a blast of air. With threading ports that are connected to the end of each looper by tubes, at the press of a button, a gust of air sends the threads through the looper, so it is a breeze to change thread colors.Stitch QualityAchieve outstanding finishing touches with flatlock, overlock, and rolled hem stitches on specialty fabrics and stretchy materials.Thread GuidesThe color-coded thread guides make staying organized and in control a breeze, allowing you to handle two, three, or even four threads simultaneously with one or two needles.Great for Challenging MaterialsThe AIR1800 is excellent for adding professional finishing touches on fine knits and stretchy materials which can be challenging fabrics on traditional sewing machines.Brightly Lit Work AreaThe AIR1800 has high-quality lighting that’s easy on the eyes when sewing on dark fabrics.Quick Change LeversThe AIR1800 has a pair of quick-change levers for the rolled hemstitch feature and a switch that will activate and deactivate the cutting knife before the edge is wrapped with thread serged.Safety Sensor and Error LEDWhen the following conditions occur, an open fabric cover or front cover, the presser foot is raised, the AIR1800 serger will not work and an error LED light will come on.Differential FeedThe Differential Feed Ratio of 0.7 to 2.0mm on the AIR1800 provides outstanding stitch quality and acts as the tool for custom lettuce edge finishes on specialty materials.Noise Level ModerateAdd decorative touches and professional finishes to any DIY project, anywhere, anytime.One Touch Looper Threading Air TechnologyThe AIR1800 has an easy one-touch looper threading that uses a blast of air for threading. With threading ports that are connected to the end of each looper by tubes, at the press of a button, the air sends the thread through the looper, so it’s a breeze to change threads.Outstanding Stitch QualityAchieve outstanding finishing touches with flatlock, overlock, and rolled hem stitches on specialty fabrics and stretchy materials.Quick Change LeversThe AIR1800 has a pair of quick-change levers for the rolled hemstitch feature and a switch that will activate and deactivate the cutting knife before the edge is wrapped with thread (serged).4-Thread OverlockThe 4-thread overlock is one of the most commonly used stitches on a serger; it is the strongest of the construction stitches. Both loopers and two needles are used to complete the stitch, making it wider and sturdy because of the two needle stitches.Safety Sensor and LED Error IndicatorThe AIR1800 serger may display an error LED light and stop functioning due to one of the following: an open fabric cover; an open front cover; or, the presser foot is raised.Knife Lock LeverThe Knife Lock Lever is located on the front of the machine, on the lower left side under the door. By moving the lever, you can cut, or trim fabric using the knife or disengage it for decorative stitch purposes.