High Quality Materials:The multifunctional measuring ruler made of high quality and ultra-strong aluminum alloy. Equipped with metal buttons. These are much more robust than plastic buttons and therefore more durable. Round and smooth edges to prevent injuries. Accurate Measurement:Our multi-angle measuring ruler is the ideal instrument for precise angular measurements. The scale has an inch and centimeter footprint of 12 cm / 4 inches. All laser engravings do not fade or wear off. Suitable for construction workers, craftsmen and DIY enthusiasts. Easy to Use:The tool is a great relief for many jobs. Transferring angles or holes is easy and accurate by hand. Transfer a hole in a simple way without tedious measurement and calculation. Widely Used:The measuring ruler can be easily folded and stored to save space. It can be easily carried to any construction site. Ideal for measuring the surface of bricks, paper, stone, tiles, wood and other materials. Increase Efficiency: With the