Material: Carpenter's square is made of quality aluminum alloy, superior, high hardness, high toughness, wear-resistant, anti-oxidation and durable. About more than 10 multi-functions: the drilling template is square, protractor, dovetail template, circular hole, parallel line, vertical line, drilling positioning, T-shaped tip, 45 / 90 angle ruler. For example. custom colors for labels. Measuring and transferring angular dimensions. 45 degree and 90 degree angle stop / marking gauge for parallel lines. Drilling sizes with the drill guide. Wide range of applications: the carpentry bevel square is suitable for processing three-dimensional workpieces, e.g. beams, squared timber, square and tubular pipes, hollow and solid, aluminum alloy, wood, stainless steel, marble, etc., etc. It is a great gift for a carpenter or plumber. Measurement accuracy: The woodworking measuring ruler itself Clear reading, easy to read and elegant in appearance. You don't have to turn around when measuring. Just slide to mark the left and right angles of 45 degrees or 90 degrees. Functions: for three-dimensional marking - measuring and transferring angular dimensions - 45 and 90 stop - marking dimension for parallel lines - determining the size of the drill bit with the drilling template. It is more accurate than other rulers.