The Rex Portable Blindstitch Machine has a built-in 110-volt motor for ease and portability. This machine is perfect for home tailoring, altering, and sewing projects where you want an invisible hem or stitch. About SmartekSmartek offers an extensive line of garment care products designed for everyday use. Superior quality, unique functions, and exclusive designs are their hallmarks. From sewing machines to specialty irons and powerful steam brushes, Smartek has everything you need to provide your garments with expert care.