The OmniAngle non-slip wedge ruler has angle markings that makes complex angle cutting easy. Use it for quilting, sewing, and crafts by creating fans, circles, half and quarter circles, wedges and spirals. You can make table runners, wall hangings, tree skirts and more. The OmniAngle wedge ruler eliminates the need for multiple templates or for the flipping of templates.Details:Clear6" x 24"Creates 9, 10, 18, 22.5, 36, 45 wedgesDouble-sight lines visible on light and dark fabricsLeft- and right-hand numbering and angle systemNon-slipAcrylicFor use with rotary cutter or straight edge blade