Kearing 8507 Plastic Scale Ruler

1:500 & 1: 1000, it is a fresh and great tool with curved lines for easily pattern making design.
This ruler has been sandwich printed between two pieces of plastic so that the numbers do not rub off.
A transparent ruler allows you to see your project under the ruler for accurate positioning and marking.
Perfect measuring tool for students, artists, designers, architects, engineers, and more.