Suitable for microfibers. VF2500-8 series with Active Thread Control supports ideal seam over a wide range from soft and elastic seams for microfibers to tight seams for outer wears. Yamato "Non-stain" Technology for minimizing the risk of oil stain, the most frequent cause of defects. Quick-response to different sewing conditions made easy thanks to features such as push button adjustable stitch length and lever adjustable differential feed.