The imperial 3D measuring ruler is made of aluminum alloy with high hardness, light weight, and rust resistance. Two measuring rulers with imperial scales are spliced into a measuring tool with smallest scale of 1/16 inches and longest scale of 4.4 inches. The thickened body allows multi-purpose use for marking lines and measuring 45 and 90 degree angles, easy to disassemble and carry. The anodized surface provides high hardness and wear resistance to maintain scale accuracy. It serves as a woodworking measuring tool and square for measuring, correcting, and marking. Suitable for DIYers, engineers, carpenters, and decorators working with round materials, three-dimensional workpieces, square wood, and pipes. Package includes a set of multi-angle measuring ruler, hexagon screws, and Allen wrench.