Product name in Arabic: 30 cm magnets ruler with the angle of flame and balance of Total English It contains a strong magnetic synthetic lock to secure the square in place safely and the lock can be easily removed to control the necessary measurements. It contains a circular scale for measuring angles and a linear scale for measuring lengths. It is characterized by accuracy and durability in daily use and helps to improve the quality of work and save time and effort technical specifications: length 30 cm width 25 mm fish 2mm