High quality: the triangular ruler is made of high-quality aluminium alloy, matte black, anti-glare, corrosion-resistant, durable and not easy to break. There are no sharp edges and it will not hurt your hand. The scale is clear and accurate, and the value is clear at a glance. Not easy to use, exquisite workmanship, long service life.High precision: the thick edge can be cut directly against the square with a saw. The use of the engraved protractor scale allows you to mark the cutting line on the stringer quickly and accurately. There are 45 degree and 90 degree thickened squares to choose from.Easy to use: use an aluminium metal carpenters block to save time for your carpentry and work. For woodworking or woodworking this block allows you to measure and track angles faster. You dont need to use multiple tools for tedious measuring, but use a multifunctional metal carpenters block to easily make accurate measurements.Various uses: the triangular metric ruler can be used as a protractor, mitre gauge, liner, saw guide and as a three-metre square, square frame and ruler. It is very suitable for all construction and renovation projects. It is also suitable for hobbyists, house builders, manufacturers and artists.Colour: Black + RedMaterial: Aluminum AlloyPackage Contents:1 * Carpenter Pencil1 * Marking Gauge ProtractorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.