Union Special 39500 QW, Overlock Serger, Mock Safety Stitch, 2-Needle, 4-Thread, High Speed. Picture shows a 3-thread, but listing is for 4-thread machine. Delivered anywhere within the continental USA. The item "UNION SPECIAL 39500 2-Needle 4-Thread Serger Industrial Sewing Machine Head Only" is in sale since Tuesday, May 26, 2020. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Textile & Apparel Equipment\Industrial Sewing Machines".The seller is "miamisewingmachines" and is located in Miami, Florida. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.