Durable material: This multi-angle measuring ruler is made of high-quality 2.5mm aluminum alloy, will not bend or rust, and is more durable than plastic. Use the vertical hole positioning head, it will be stronger than the 5-hole positioning, and it is not easy to fall. Say goodbye to tools that fall and break easily. Powerful function: The angle measuring tool has 12 sections and a metal button with vertical positioning hole opener. You can adjust the six metal knobs to precisely form the desired shape, then find the right drilling shape. Folding 6 sides, you can use the measuring tool to easily create and measure special angles or shapes to improve work efficiency. Laser engraving: multi-angle measuring ruler with marks of laser engraving (inches and centimeters), laser engraving marks, high precision, high definition, no paint dropping, more wear-resistant and more corrosion-resistant. The multi-angle measuring ruler uses two scales, inch and metric, so there is no need to change it during the measuring process. Multi-angle aperture positioning device: the Multi-angle measuring ruler is equipped with 25mm/40mm/45mm three sizes of plastic tile opening device. Simply place the template ruler on your workspace, then slide the ruler to the desired shape, then tighten the screws. The innovative 12-section tool can be used as a template for cutting workpieces. Wide applications: The multi-angle measuring ruler has a wide range of applications, suitable for all types of work, woodworking, flooring, ceramic tile, glass installation, etc. It can easily copy complex shapes in buildings, copy and shape them. Find openings in stone, wood, ceramic tile and glass. The ceramic tile tool is an ideal angle measuring instrument for placing wooden and ceramic tiles.