It"s a snap to produce ravel-free seams when you have the Juki MO-50E 3/4 Thread Serger. This serger has top-quality features found in more expensive machines, such as automatic lower looper threader, built-in rolled hemming, and differential feed and calibrated knife adjustment. Easy to use, too! It"s a breeze to thread, features adjustable stitch length, includes a built-in accessory tray, and has a trimmings waste container. About Juki Corporation Juki Corporation is based in Tokyo, Japan. Since 1938 they have been designing state-of-the-art industrial, semi-professional, and household sewing machines. Their goal is to create new inventions and technologies through “Monodzukuri” or the art of making products. Their driving concept is mind and technology (emotionally accessible technology) that is customer-based. Juki strives to learn from its customers and provide products they need. Thread serger with differential feed. Lay-in tension for easy threading. Built-in rolled hemming. Calibrated knife adjustment for consistency. Dimensions: 11.5L x 11.5W x 11.4H inches.