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Color:Blue,Black Type:Circle Template ruler Size:12x12cm Package:1x Circle Template ruler Material:plastic Features: Wide Applications: Versatile measuring ruler, with a protractor to draw the desired figure, can also draw arcs curve, horizontal parallel line, vertical parallel line, enough size for drawing. More Details: Each centimeter has a circle hole for drawing circles and ellipses; Clear scale, easy sliding, stable drawing, not easy to skew, clear scale, easy to observe.