Durable Aluminum Alloy Material: This multi-angle measuring ruler is made of premium 5mm aluminum alloy, wont break or rust, more durable and sturdier than plastic Say no to your toolfragile template. Multiple Uses: Universal layout tool is handy for creating bulls eyes, arches, plumb cuts and any project you can think of, works great on carpentry, brick, tile,wood, glass, stone, laminate, construction and engineering projects and much more. It is a perfect jig tool for carpentry, masons, craftsmen, handyman, DIY Heavy Duty Metal Construction: Premium aluminum alloy will withstand years of wear, tear, and constant use. Youll love the glossy black finish of your toolbox. Metric and Imperial Units: This allows you to take measurements in inches or centimeters. Thanks to the laser engraved inscriptions, you will be able to clearly read the measurements for years. They dont smudge, fade or fadenot. Upgraded Angle Measuring Ruler: This angle ruler has 6 pieces and metal knobs with a tiling positioning hole opener, you can adjust the six metal knobs to create your desired shape precisely , thenfind the position to drill the right hole. With 6 foldable sides, users can easily create and measure special angles or shapes with the angle finder tool to improve work efficiency.