Durable Material: This multi-angle measuring ruler is made of high quality 2.5mm aluminum alloy, won't 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 off. Say goodbye to tools that fall and break easily. Powerful Function: The angle measuring tool has 12 sections and a metal knob with vertical positioning hole opener. You can adjust the six metal knobs to precisely form the shape you want, 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 laser engraving (inches and centimeters), laser engraving marks, high precision, high definition, no paint drop, 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 opener. Simply place the template ruler on your workspace, then slide the ruler to your desired shape, then tighten the screws. The innovative 12-section tool can be used as a template for cutting parts. Various 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. He 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.