Multiple functions: these drawing rulers are equipped with detailed scales, nice helpers to read the size message directly and efficiently, and the transparent design makes you read the numbers more clearly, saving you a lot of time and energy,It comes with an extra pencil and a box of spare refill. Note: Pencil color style is random Drawing shapes: you can use these drafting rulers to draw circles, parallelograms, rectangles, triangles, ovals, parabolas, half rounds and so on, and each shape has a certain size, which are ready to provide you with a lot of convenience in your study or work Proper sizes: our geometric stencils come in a proper size, convenient to store and take along with, the round school ruler measures . 11.5 cm/ 4.53 inch in diameter, the pink school ruler measures . 19 x 7.7 cm/ 7.48 x 3.03 inch, while the other 2 rulers both measure . 19.8 x 8.3 cm/ 7.8 x 3.27 inch Wide occasions: these shape stencils can be well applied in a wide range of measurement occasions, which are helpful in your , suitable for artists, students, teachers, stylists, engineers and so on, helping you develop your handmade ability and imagination ability material: plastic Color as shown Package Contents: 4X Multifunctional Geometric Drawing Ruler 1X Pencil(Random color styles, Not accepting designation) 1 Box Pencil lead Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.