SINGER SEWING MACHINE 320K SEMI INDUSTRIAL. This is a heavy model used for professional work. Arguably the best sewing machine ever made. The item "SINGER 320K SEMI INDUSTRIAL SEWING MACHINE" is in sale since Tuesday, December 27, 2016. This item is in the category "Crafts\Sewing\Sewing Machines". The seller is "mar1ese" and is located in Greater Hobart, TAS. This item can be shipped worldwide.