- Essential Monitoring Tool : This precise measuring instrument is crucial for tracking wall cracks and their evolution over time, making it a must-have for construction and renovation projects. - Accurate Measurements : The XY-axis ruler offers a measurement range of ±1 mm (±0.04 inches) with a resolution of ±0.5 mm (±0.02 inches). It features a horizontal range of ±20 mm (±0.79 inches) and a vertical range of ±10 mm (±0.38 inches), ensuring precise readings for your assessments. - Innovative Design : The tool consists of two overlapping plates. The lower plate is marked in millimeters for easy calibration, while the transparent upper plate includes a crosshair cursor for accurate measurements. - User-Friendly Setup : Easily align the two plates and secure them with screws and anchors, enhancing both comfort and stability during use. - Practical Applications : Ideal for monitoring structural integrity in buildings, assessing foundation shifts, or evaluating the stability of plaster and drywall. Whether you are a professional contractor or a DIY enthusiast, this tool provides reliable data to inform your decisions. - Durable and Reliable : Constructed from high-quality materials, this measuring tool is built to withstand the rigors of construction environments while delivering consistent performance over time. This measuring tool is designed to meet the needs of those who require precision and reliability in their work, making it an indispensable addition to your toolkit.