For sale vintage Elna SU Supermatic sewing machine in perfect order. Free arm style with foot control. Recently checked and serviced by Sawyer's Victoria. Lots of design cams included. Blue metal carry case. Simple to use. There is a needle centering adjustment, a zig-zag width adjustment, and stitch length adjustment dial. The Elna SU can use either a single or double disc. The machine is belt driven.