Measurement precision Achieve accurate readings when measuring slopes or checking surface levels. The ruler features a fluorescent bubble level and clear markings for efficient, readable measurements every time. Easy adjustment Slope Measuring Ruler uses an intuitive ratchet system for fast, precise adjustments and reliable accuracy on the job. Magnetic design The strong magnet allows it to cling to metal surfaces, providing stability and hands operation on job sites or DIY projects. Sturdy material Built from ABS and metal for durability and consistent, longlasting performance. Applications Job site or DIY projects requiring slope setup and level checks, such as deck, ramp, or shelving installation. Cabinetry or countertop installation where precise alignment and level surfaces are essential. Tiling, flooring, or drywall work that benefits from verifying a uniform slope or level across surfaces.