Description: 【Precision measurement】Specially designed for tile installation, this square Floor Drain Ruler ensures accurate alignment between the drain and tiles, improving both construction efficiency and overall aesthetics 【Material】Crafted from premium thickened stainless steel, the Tile Tool is wear resistant, rustproof, and deformation resistant, maintaining its flatness even after long term use 【Multifunctional use】Floor Drain Measuring Ruler is suitable for various construction needs such as floor drain positioning, tile cutting assistance, and ground measurement 【Design】Tile Measurement Locate, unique pattern hole can clearly mark the edge of the floor drain, making it easy to quickly cut tiles, saving time and effort 【Lightweight and easy to store】Compact 20cmx20cm/7.87inchx7.87inch size makes it easy to carry and store, the Architectural Scale Ruler is suitable for professional installers as well as DIY home improvement enthusiasts Size Chart:20cmx20cm/7.87inchx7.87inch, Center hole diameter 5cm/1.97inch Package Includes: 1 Floor Drain Ruler Note: Please allow slightly errors due to manual measurement and different monitors.