Trulers Eighths, Circle 10 inch, 10 packTrulers Eighths, Circle 10 inch, 10 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. **Pack of 10**