- Clear measurement grid on a quality acrylic sheet provides precise markings for dependable crack analysis and tracking, enabling accurate crack monitoring over time. - Simple analog tool for easy use, allowing precise tracking of horizontal and vertical shifts in various environments without power or electronics. - Precision movement tracking with a chart system, two removable pins for flexible setup, and a cursor that shows movement for clear, rapid interpretation. - Consistent crack observation through manual 2D monitoring, delivering progressive tracking of wall cracks with precise measurements and dependable evaluation. - Use scenario: after seismic events or heavy loading on concrete walls, monitor crack growth over weeks to inform safety and repair decisions. - Use scenario: during renovation of a building with load-bearing walls, perform regular inspections to detect new cracks early and verify stability. - Use scenario: on construction sites, monitor plaster or masonry cracks on exterior walls during curing or settlement to guide timely interventions.