Description This product is made of good material, practical and durable to use, which is suitable for measurement use. This ruler can help students standardize drawing. It can be applied for home and office using, students and teachers using. It is very convenient to use and accurate measurement. Features - Color: Black. - Material: Steel. - Size: About 30.00X20.00X0.10cm/11.79X7.86X0.04in, 60x40cm/ 23.62x15.74 inch. - Suitable for homes, offices, , schools, small size and easy to carry. - This L-shaped square ruler is made of steel material, durable and excellent for long time use. - Ergonomic design for comfortable grip. Can be used in construction, woodworking tool. - It is simple , but it's practical to use, which will give you fantastic use experience. - Ruler are right angles design. Especially hardened and fine ground. Suitable for detecting angles and marking on parts. Suitable for homes, offices, , schools, small size and easy to carry. This L-shaped square ruler is made of steel material, durable and excellent for long time use. Ergonomic design for comfortable grip. Can be used in construction, woodworking tool. It is simple , but it's practical to use, which will give you fantastic use experience. Ruler are right angles design. Especially hardened and fine ground. Suitable for detecting angles and marking on parts.