Fast speeds and smart design make the ef1 professional the perfect machine for sewing and quilting! You’ll find everything you need to complete projects quickly and easily. With sewing speeds up to 1,600 stitches per minute, serious sewists can experience efficiency like never before. With sturdy construction, including eight enclosed ball bearings in the main shaft of the machine, you will experience the quiet and smooth sewing that Elna is known for. The side-loading jumbo bobbin allows for easy access, holding 1.4x more thread than a standard bobbin.