2pcs Multifunctional Drawing Ruler Function Drawing Protractor Geometric Ruler(For Primary School)

1. Material: plastic2. The scale is clear, not easy to wear and fade, and the drawing is accurate.3. Thickened arc corners will not hurt your hands and are not easy to break, making you feel more at ease.4. The inner ring can be rotated/the short ruler can be moved, and can recognize angles, measure angles, draw angles, draw circles, triangles, polygons, and three-dimensional figures.5. Widely used for simple graphic painting, angle ruler signs6. Movable type, more convenient for drawing, the inner ring can be rotated left and right and pushed7. Dimensions: 215x85mm8. Thickness: 3mm9. Weight: 34 grams10. Warmly avoid: Sand and dust enter the interlayer of the multi-function ruler to avoid unfavorable rotation. If the rotation is inflexible, please add a small amount of wax to lubricate between the rotating disk and the base of the scale surface.