Janome’s Professional AT2000D Air Threading Overlocker. Featuring an automatic tension system, one-push air threading system, built-in one-step converter and more feed dogs for a superior feeding system, larger work space and quieter driving mechanism for smooth easy stitching. Its broad workspace and ease of use make this perfect for everyone, from beginners to proficient sewers everywhere. Get perfect results every time with the new Janome Air Thread 2000D Professional!   One-Push Air Threading System Tedious threading of upper and lower loopers are a thing of the past. Simply insert the thread into the specially designed ports and your thread is transported to where it needs to be with an easy push of a lever.   8-Piece Feed Dog System With strategically placed feed dogs in eight locations, the AT2000D will easily grab and feed your fabric. From slinky knits to denim, the AT2000D will meet the challenges of your sewing projects.   Built-in One-step Converter Changing from a 3-thread to a 2-thread application has never been easier! Simply place your finger under the converter and flip it into position. Now, you’re ready to sew delicate rolled hems or reduce the bulk in your overlock edge.   Built-in Needle Threader A Janome first! With a built-in needle  threader, manually threading your serger needles is a thing of the past. One unit provides easy threading of both the right and left position needles.