[Latest Version] You can adjust the drilling position to B. Accurately mark tiles. It's a measuring tool with integrated hole positioning. This measuring ruler folds easily for compact storage and can be easily taken to any job site. It's very suitable for measuring the surface of bricks, paper, stone, ceramic tiles, wood, and other materials. [Material and Design Improvements] The multi-functional measuring ruler is made of high-quality aluminum alloy, which is super wear-resistant. Equipped with metal knobs. These are stronger than plastic knobs and therefore more durable. The edges are rounded and smooth, without burrs, which can prevent injuries. [Precise Measurement] Our multi-angle measuring ruler is an ideal tool for measuring precise angles. There are inches and centimeters on the scale; all laser engravings will not fade or wear off, even with prolonged use of the sliding ruler. It remains clear and easy to read for accurate measurements. [Easy to Use] Simply place the angle measuring tool on your workspace, push it into the desired shape, and tighten the screws. The multi-angle ruler can be positioned and fixed in seconds to create your own stencil. Furthermore, the included screws are large and can be replaced with one hand, making it very easy to use. [Wide Application] You can choose a metal square as a gift for builders, tilers, carpenters, DIY enthusiasts, roofers, carpenters, architects, and more.