Ruler material: Plastic (sturdy, high resistance to breakage and durable). Specifications: These rulers have different sizes, the total length is 20 cm to 25 cm and the width is 10 cm to 14 cm. Circle and oval shaped stencils: With the different sizes of circles and ellipses, you can easily and practically draw circular and cylindrical shapes. Wide range of applications: good tools for office, home, school, construction formwork, drawing templates and others, suitable for students and different professional groups. Quantity: 3 plastic rulers in different sizes, which are suitable for different needs. Choice of colours: translucent green and yellow. Rulers with Circle Templates - Pack of 3 Plastic Circular and Oval Stencils Measuring Templates for Office School Building Formwork Drawing Templates Various patterns: With the different sizes of circles and ellipses, you can easily and conveniently draw circular and cylindrical shapes. MULTI-PURPOSE: Good tools for office, home, school, building formwork, drawing templates and others, suitable for students and various professions. Specifications: Material: Plastic Colour: transparent green or yellow to choose from. Length: 20cm to 25cm Width: 10cm to 14cm Quantity: Pack of 3 Box contents: 3 x Plastic Rulers