Precise and easy to use: This floor tile height ruler enables accurate measurement and precise positioning. There is a magnet at the bottom of the height ruler, which can be adsorbed on the ceiling frame. It has high measurement accuracy and sensitivity. : This height ruler is made of high-quality aluminum alloy. The scales are laser engraved. The thickened ruler body has clear scales on both sides. It can be used for a long time without worrying about corrosion. Double-sided high-precision scale: This height ruler has a high-definition double-sided scale design and a thickened ruler body for precise angle measurements. They are an essential tool for any professional or handyman, saving time and energy on your next home renovation. Has many uses: This height ruler is suitable for all kinds of indoor and outdoor work, carpentry, flooring, tiles. resistant to falling, accurately positioned horizontally, not easy to rust, and has a hollow interior that can be weighted with sand. Essential tools: This Height Ruler Tool Whether you are renovating a kitchen, bathroom or hallway, the height ruler is suitable for use in a variety of environments, making it an essential tool for tile projects for individuals who need to level floor tiles to ensure a professional finish. Product name: Height ruler Style: Precise measurements Size: 3x2x16cm Colour:As Shown Material:Aluminum alloy Package Contents: 1 set x Floor Tile Height Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.