Description: Aluminum Alloy MaterialThis multi angle measuring ruler is made of 2.35mm high quality aluminum alloy, lightweight and durableEasy to UseUsing 6 sided folding, you can easily create and measure special angles or shapes using angle finding tools, widely used in different fieldsUnique DesignAngle Measuring Tool with built in smooth slide rail and a rotating nut between rulers ensures stability and accurate measurementFoldable Hand ToolFoldable Measuring Tool can be folded and placed in a bag, saving space and making it easy to store and carry Versatile Measurement Layout ToolAngle Measuring Ruler Locator suitable for special angles/shapes, such as carpentry, brick, tile, wood, glass, stone, laminate, construction and engineering projects etc. Size Chart: Single Ruler about 17.5cm/6.89inch Package Includes: 1 Multi Angle Measuring Ruler Note: Please allow slightly errors due to manual measurement and different monitors.