Do ruler work on your domestic BERNINA sewing machine! Create straight lines, smooth curves and evenly-spaced patterns with your free-motion quilt designs. The height of the foot is adjustable to accommodate thick or thin quilts, and it is spring-loaded to allow the foot to be raised with the needle up or down. Works with any 1/4"-thick quilting rulers or templates - Ruler Kits are sold separately. For 3, 4, 5, 6, 7 and 8-series BERNINA machines.