All products have excellent thread threading and air functionality. This is a popular sewing machine that receives many inquiries! Get it before the "likes" come in! (╹◡╹) I'm listing many sewing machines, so follow me! Highly popular Baby Lock sewing machine! Test sewing was smooth, and the stitches were even, resulting in a beautiful finish. It can beautifully serge knit fabrics, jersey knit, knits, fabrics that stretch sideways, twills, and plain weaves. You can easily handle smooth fabrics for children's clothing, achieving a beautiful finish☆ The best feature is that with a push of the air lever, the troublesome threading is done in an instant with the power of air, making it incredibly easy. Once you use the air feature, you won't have to squint with tweezers (╹◡╹) You won't be able to go back to other serger machines☆ This is the best for beginners to professionals☆ Maintenance is thorough, and I'm selling it at a low price, so transactions are quickly decided. Of course, it's first-come, first-served. ■ Sewing Machine Features Uses 3 threads Upper and lower looper air threading Needle used: HA×1SP Overlock width: 3mm ~ 7.5mm Feed amount: 1.0mm ~ 4.0mm Snap-on presser foot replacement Upper knife release possible Rolled hem switching dial Rolled hem Manufacturer: I-nui-jin baby lock★BL34 Switch: Foot control Light: LED equipped ☆ー★ Product Condition: Both the upper and lower loopers are cleaned, I've maintained it with the user in mind. Product Features: After purchase, I provide a message board, and of course, I support inexperienced users with usage advice and troubleshooting. The number of people who know about this is increasing, thank you very much! Do you all know? Usually, if it's not maintained, the upper looper will wobble when you move it left and right, but this one doesn't! About the product: This product undergoes two-stage maintenance, so it will not be boxed. During maintenance, after maintenance, and at the time of delivery, I will re-check the air, etc., with triple support for peace of mind! ☆ーーー★ Warranty: ① 3-month warranty☆