JUKI DNU-1541 – Heavy-Duty Lockstitch with Reliable Unison Feed When your sewing business demands power, precision, and reliability, the JUKI DNU-1541 delivers. Built specifically for sewing medium-to-heavy materials like upholstery, leather, canvas, vinyl, and automotive interiors, this robust unison-feed lockstitch machine ensures consistently superior stitching, even on the toughest projects.