Features MATERIAL: The 3D measuring ruler is made of aluminum alloy, which has the characteristics of high hardness, lightness, erosion resistance and rust resistance. WIDE APPLICATION: Square triangle ruler round materials, three-dimensional workpieces, square woods, pipes, etc. Convenient and practical for measuring. Suitable for engineers, carpenters and decorators DESIGN: Thicken the ruler design, make the ruler stable and accurate. Square protractor helps draw horizontal lines as you slide the ruler along the edge of your work FEATURE: 3D multi-angle woodworking square ruler to mark lines, measure 45 and 90 degree angles, easy to disassemble, and widely used in woodworking EASY TO USE: No need to turn the body upside down when measuring, just slide it to mark the 45 or 90 degree angle right and left. Accurate scale and simple operation Specification: Item Type: 3D Multi-Angle Measuring Ruler Material: Aluminum alloy Size: Approx. 112 x 85 x 79 mm / 4.41 x 3.35 x 3.11 inches Angle: 45 or 90 degrees Use: Circular materials, three-dimensional workpieces, square wood, pipes, etc. Suitable for . A full-angle woodworking tool Features: Aluminum alloy material, light and durable, comfortable to the touch Thickened design, not easy to slide during use, reduce errors Accurate measurement, easy to use > Ideal for DIY work, engineers, carpenters and home use How to Use: Direct installation and use Packing List: 2 x Angle Rulers 2 x Screws 1 x Wrench Package List 2 x Angle Ruler 2 x Screw 1 x Wrench