Sailrite Heavy-Duty Ultrafeed LSZ-1 PREMIUM Walking Foot Sewing Machine Zigzag/straight stitch walking foot sewing machine that easily sews through heavy materials like sailcloth, heavy canvas, denim, and upholstery fabrics (tried and true in up to 10 layers of heavy canvas and 8 layers of Dacron). Features the extra large Monster II Balance Wheel, a solid, 7 lb. nickel-plated steel balance wheel that brings more than twice the size and power of a traditional balance wheel. Includes hand crank for sewing without electricity! The patented Posi-Pin clutching system provides 100% power transfer from the balance wheel to the needle. Must-have features include an extra wide presser foot with built-in piping tunnel and a high, 3/8 foot lift. Set the variable stitch length up to 6 mm in straight stitch and up to 5 mm in zigzag width. Top-notch customer support from Sailrite with a comprehensive guidebook; Set-up, Use and Maintenance DVD, personalized support and a 2-year limited warranty all included.