Sturdy Material: 3D Miter Square Ruler Made of high quality aluminum alloy material, high hardness, high toughness, wear-resistant, anti-oxidation and durable in use. Compared to other plastic rulers, it is more durable. Over 10+ Multifunction: The try square is square, protractor, dovetail template, circular hole, parallel line, vertical line, drill positioning, T-shaped scriber, 45/ 90 angle ruler. eg, dimension colors for labels. Measuring and transferring angular dimensions. 45 degree and 90 degree angle stop / parallel line marking gauge. Drill sizes with the drill guide. Wide Application: The woodworking ruler is suitable for processing three-dimensional workpieces, such as beam, timber, square and tubular pipe, hollow and solid, aluminum alloy, wood, stainless steel, marble, etc. It is a great gift for carpenters or plumbers. Measurement Accuracy: The carpenter angle is clear to read, easy to read and elegant in appearance. You don't have to turn the body over when measuring. Simply slide to mark left and right 45 degree or 90 degree angles. Functions: for three-dimensional markings - measuring and transferring angle dimensions - 45 and 90 stop - marking gauge for parallel lines - determine drill size with the drilling jig. Compared to other rulers, it is more accurate.