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.