Material: carpenter's square is made of premium quality aluminum alloy, high hardness, high toughness, wear-resistant, anti-oxidation and durable. About more of 10 multifunctions: drilling template is square, protractor, dovetail template, circular hole, parallel line, vertical line, drilling positioning, T-shaped tip, angle ruler 45/ 90. For example. custom colors for labels. Measurement and transfer of angular dimensions. 45 degree and 90 degree angle stop/marking gauge for parallel lines. Drill sizes with the drilling guide. Wide range of applications: the countersunk joinery 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. Simply slide to mark left and right angles of 45 degrees or 90 degrees. Functions: for three-dimensional marking - measurement and transfer of angular dimensions - stop at 45 and 90 - marking dimension for parallel lines - determining the size of the drill bit with the drilling template. It is more precise than other rulers. Name: Multifunctional 3D positioning ruler. Color: silver Fabric: Aluminum alloy< /p> Uses: auxiliary measuring and positioning ruler Outer panel length: 170X60mm/11573mm Package weight: 95.3 g Product features: frosted process, high hardness and durability. Clear and easy to read, elegant appearance; no need to turn around when measuring, simply slide to mark left and right 45, 90 or 135 Delivered quantity: 1 piece