Bộ 20 cây thước gỗ 30cm/12inch

very light and easy to carry. Smooth surface, clear scale can be read easily. Wide application, perfect for school, office, home using. Especially for school student and teachers. carry. Ruler with 2 scales: One side is metric scale(30cm), opposite side is inch scale(12 inches, both inches and centimeters for conversion. Inch scale,1/16 inch standard, 12 inches long total. Metric scale: 1mm standard, 30 cm long total. The scale of the ruler is very clear and accurate, will be helpful you in measuring your items accurately. Can be applied in many occasions, Perfect for school, office, home using. Wood color with black number, nor easy to fade. colour:Wood color Material:Wood Package Contents: 20 * Wooden rulerOnly the above package content, other products are not included. Note: Light shooting 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.