C&t publishing-fast2mark tools essential circle tool.Get ahead of the curve with the ruler that makes set-in circles, half-circles and drunkard’s path blocks so simple! its slotted grooves, clear measurements and precise 1/4 inch seam allowance will save you the hassle of drafting your own circle pattern.This 14×10-1/2 inch package contains one circle tool that makes set-in circles measuring between 2 inches and 8 inches and instructions.Warning: this product contains chemicals known to the state of california to cause cancer, birth defects or other reproductive harm.Do not mouth or chew.Imported.