1、The square is made of aluminum alloy material, wear‑resistant, corrosion‑resistant, and not easy to deform. 2、With standard right angle, which can make the right angle splicing more convenient and accurate in woodworking production. 3、The ruler body has a clear scale, which can be easily and accurately measured and positioned, and the reading is convenient. 4、Both sides of the square can be used for drawing lines, and there are many positioning holes for easy operation. 5、Multifunctional angle ruler is used to mark the 3D sheet, and can draw 90° angle, parallel line, T‑shaped line and hinge hole position line. 1 x Right Angle Ruler Item Type: Right Angle RulerMaterial: 7075 aluminum alloyModel: T-160Color: RedRuler Thickness: Approx. 3mm / 0.1inRuler Size: Approx. 160 x 108mm / 6.3 x 4.3inHole Marking Range: Approx. 1-120mm / 0.04- 4.7inPurpose: Woodworking marking