The Quilter's Magic Wand is an accurate ½" wide ruler with an etched line running down the middle. Use it for marking or measuring when high precision is required. It is especially useful for marking those diagonal seam lines when using the Tucker Trimmer and Wing Clipper lines of tools. It comes in 9 different colors, one to match everyone's sewing room! Details -Rule size - ½" x 12" -Used with Tucker Trimmer and Wing Clipper tools 9 different colors: Yellow, Green, Orange, Blue, Hot Pink, Light Pink, Purple, Smoke, and Champagne If you have a color preference, please let us know in the comment section of your order.