Used in this video turorial:. How to Use Circle and Oval Templates for Bezels. . This two piece template set has 36 circle templates ranging from 1mm to 36mm and 27 ovals ranging from 2mm to 50mm. Ideal for metal working and other jewelry making applications. Each template has a ruler in centimeters for reference and the circle template has markings for measuring degrees within a circle. Measurements: 10 x 5" Quantity: Pack of 2 templates (circle and oval)