5 to 2. 25 mm Stitch length setting 1. 0 to 5. 0 mm Adjustable cutting width 3. 0 to 7. 0 mm Pre-tension slider ( 3 /4 ­ 2 thread ) Color-coded threading routes Cutting blade Adjustable foot pressure Snap-on presser feet Telescopic thread antenna system Electronic foot control Built-in storage compartment Exclusive Elna accessory box Accessory box Waste tray included Dust cover ­ ­ ­ ­ X X ­ X X X X ­ X X X X X X ­ ­ X ­ X X X X X X X X X X X X X X X X X X X X X ­ X X 664 4/3 X X X ­ X X X X ­ ­ ­ X 664PRO 4/3/2 X X X X X X X X X X X X ES S EN T I AL AC C ES S O R I ES The little extras which make life easier. Like this Elna-designed accessory box which comes with the machine. * LI T T L E T O O L- B AG : B I G D EAL The whole point of a survival kit is to be at hand when you need it. So we've built a small tool-box into the front flap of the Elna 664 PRO. Handy. * N EAT AN D T I D Y A neat waste bin to collect surplus fabrics and thread ends. For a work surface that's always tidy. * *Only available for the Elna 664 PRO. 664-664PRO So cool ! WARRANTY AND SERVICE : Elna's superior reputation was established in 1940 with the production of its first sewing machine. Ever since, Elna has continued to be the leading brand of home sewing and related equipment designed especially with the innovative sewer in mind. Thousands of professionals worldwide provide expert service. Millions of people have chosen Elna for its quality, performance and reliability...