Create wedges, angles, artistic spirals, circles for round table cloths, spiral table runners and one-of-a-kind tree skirts using this mini ruler. It's easy to understand the directions printed on this ruler.Details:Clear4" x 18"Includes 6 wedge sizes (9, 10, 18, 22.5, 36, 45)Wedge cutting instructions printed on rulerNon-slipHighlighted features for use on light and dark fabricsPrecision measurement scaleFor use with rotary cutter