Features: Achieve perfectly level floor tiles with the equal height ruler, a specializing tool designing for precise height measurement and alignment, ensuring flawlessly tile installation everytimes. Constructed from durability aluminum alloy and abs, this contouring ruler features a double side high precise scale and a adjustable movable snap rings for accurate positioning. For professional builders, DIYer enthusiasts, and homeowners who need to lay floor tiles with precise and ease. Perfect for new homes construction, renovations projects, tile replacement, or any scenario requiring meticulously floor leveling. The upgraded double use model includes a magnetic option for enhances stability, while the none magnetic version ensures no interferences with electronic devices, making it multifunctional and user friendly. Specifications: Component:Aluminum Alloy, Plastic Base: 61mm/2.4inch Overall height: 163mm/6.41inch Style: without magnetism/with magnetism Package Includes: 1pcs Equal Height Ruler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.