The Jakar Even Ellipse Template is a brilliant tool for anyone needing to draw plans and diagrams. It features ellipses ranging from 5mm to 25mm at their widest point. It's made from durable green IMA (impact modified acrylic), with a 0.4445mm pencil allowance on each opening and black screen-printed markings. The Jakar Even Ellipse Template is a precision-drawing tool that will save you an enormous amount of time and help you create more accurate drawings and diagrams.