2.5mm Thick Aluminum Alloy Ruler: This multi-angle measuring ruler is made of premium 5mm aluminum alloy, will not break when bending or rusting, more durable and more sturdy than plastic ruler. Say no to your flimsy template tool. Wide Applications: The 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 template tool for carpentry, masons, craftsmen, DIY enthusiasts, DIY Easy to use: 1. Find the hole position, tighten all the knobs. 2. Move the ruler across the tile and mark the hole. Drill a hole where you marked. 4. Place the tiles on the wall. Are you looking for an easy-to-use universal corner jig? Our angle measuring ruler will be a good choice for you. Metric and imperial units: This allows you to take measurements in inches or centimeters. With laser-engraved markings, you'll be able to read measurements clearly for years. They do not bleed, fade or disappear. Portable: small size and easy to carry, the measurement is very convenient, just fold it and put it in the bag.< /p> Welcometomeet