The QC1000 introduces Automatic Height Adjusterâ„¢ (AHA) feature. AHA continuously detects fabric thicknesses while sewing and automatically adjusts the presser foot pressure for beautiful, precise, even stitching throughout your project. The new pivot function gives you more control when turning those intricate corners. To enhance your quilting capabilities, the QC1000 comes with 3 types of free-motion presser feet, a large extension table and a Deluxe Quilting Package containing a rolling travel bag and quilting supplies. Creative, dependable and loaded with lots of quilting stitches, the QC1000 is perfect for all your quilting projects.