Features ✅【High Quality】Made of hardness aluminum alloy material, this steel ruler is sturdy, durable and not easy to break. ✅【3 sizes available】You will receive metal ruler 30 cm, 20 cm and 45 cm metal ruler in one package. ✅【Precise Scale】Laser marking, clear reading. The limiter is marked with a scale and has a resolution of 0.05mm for more accurate reading. ✅【Ergonomic Design】Made of aluminum alloy, which can reduce pressure on elbow or wrist due to its light weight. ✅【Wide Application】Measuring tool suitable for students, engineers, architects and technical people. Specification: Item Type: Cutting Ruler Pattern: L type 20cm/L type 30cm/L type 45cm (optional) Material: aluminum alloy Product details in L shape, 20 cm Size: approx. 210 x 35 x 12.3 mm/8.27 x 1.38 x 0.48 inch Net weight: approx. 50g/1.8oz L-shaped 30 cm product Size: approx. 310 x 35.5 x 12.6 mm/12.2 x 1.4 x 0.5 inch Net weight: approx. 74g/2.6oz L-shaped 45 cm product Size: approx. 460 x 35.3 x 12.2 mm/18.11 x 1.39 x 0.48 inch Net weight: approx. 109g/3.8oz Usage: length measurement, straight cutting, home use, DIY production, etc. Package list: 1 x cutting ruler Package List 1 x Cutting Ruler