|This longarm centering tape is the greatest new tool for assuring your quilt is square. Simply mount your quilt top and slide the pink arrows to align with the sides edges of the quilt. As you advance the quilt, just be sure that the edges of the quilt top are always at the pink arrows, thus assuring that your quilt top will be "square" when you are finished. There are multiple arrows on the tape aiding in equal spacing of motifs, etc. in borders. Just figure out the spacing, place an arrow at each centering spot and eliminate marking the quilt!! Centering tape kit includes tape measure, "arrows", velcro for attaching to sides of your machine and binder clips. Illustrated instructions included.