1. The steel ruler is made of stainless steel, which is hard and non-bendable, and prevents rust and corrosion for a long time.2. Inch and metric ruler has accurate scales, easy to read for amateurs and professionals.3. Double reading, front metric reading, reverse inch reading.4. With holes for easy hanging and storage.5. Laser technology, clear handwriting, not easy to reflect.6. Widely used in painting, decoration design, woodworking, office, and other industries.7. Notice: Please confirm the steel ruler size before choosing.