Material and functions: The carpenter's square is made of high quality aluminum alloy, high hardness, high toughness, wear-resistant, anti-oxidation and durable. for three-dimensional marking - measuring and transferring angle measurements - stop at 45 ° and 90 ° - marking measurement for parallel lines - determining the drill size with the drilling template. Approx. more than 10 multi-functions: drilling The template is square, protractor, dovetail gauge, circular hole, parallel line, vertical line, drilling positioning, T-shaped tip, 45 ° / 90 ° angle ruler. For example: custom colors for labels. Measuring and transferring angle measurements. 45 degree and 90 degree angle stop / marking gauge for parallel lines. drill sizes with the drill guide. Wide range of applications: The countersunk joinery jig is suitable for processing three-dimensional workpieces, e.g. beams, squared timbers, square and tubular pipes, hollow and solid pipes, aluminum alloy, wood, stainless steel, marble,