The AccuAngle is a one-step cutting and beveling tool for clay artists. No matter the level of your hand building skills, AccuAngle can help you increase the quality of your work while making the job easier and quicker. With 11 preset angles you can create basic geometric shapes from the 3-sided equilateral triangle to the 12-sided dodecagon. A 90 degree angle is included for squaring edges. The AccuAngle ruler is scaled in inches and includes a convenient centering scale.