Constructed from durable aluminum alloy and ABS, this contour ruler features a dual-sided high precision scale for accurate positioning For professional builders, diyers and homeowners who need to accurately and easily install floor tiles Ruler equal height, special tool design for precise height measurement and alignment ensures perfect tile installation every year Whether you're a new home construction, remodeling project, tile replacement, or a scenario that requires careful floor leveling The upgraded dual use model includes options to enhance stability, but no version ensures interference with electronic devices, making it multifunctional and user-friendly, Manufacturer: Uitndvyte