Truler Eighths, Circle 10 inch - 10 per pack
This Truler is 11" x 11". These are excellent when you want to make perfectly sure you are cutting an accurate circle The concentric circles are numbered 1 through 10 inches in diameter. Each Red Dot is place at the inch mark every 45° around the circle. At every 1/2" mark length & width-wise there is a 1/8" wide Black Dot. In between all these marks are smaller hash lines, they are your 1/8" marks.