Improved accuracy: clear markings and a fluorescent spirit level provide precise slope readings with good visibility in varying lighting conditions. Quick adjustment: a ratchet system enables fast, smooth adjustments for precise setup and measurement, saving time and effort. Magnetic grip: strong magnetic adhesion allows the ruler to cling securely to metal surfaces, enabling hands operation and efficient workflow on construction or DIY tasks. Durable construction: made from ABS and metal to deliver lasting durability and stable, reliable measurements during extended use. Features at a glance: slope measuring ruler with clear markings, fluorescent level, ratchet adjustment, magnetic mounting, and ABS metal construction for dependable performance. Use scenarios: Framing, decking, and edge work where quick slope checks and level references are needed during construction. Tiling, countertops, and bathroom installations requiring proper slope for drainage and level surfaces. Plumbing, HVAC, and metalwork projects where mounting to metal structures enables accurate alignment of pipes, fixtures, and components. Materials and compatibility: built from ABS and metal for rugged performance; magnetic grip enhances compatibility with metal surfaces on site.