Mountlaser 4 Pack Standard Crack Monitor Tell-Tale, Acrylic Crack Gauge

• 【Precision 2D Crack Monitoring】Features ±20mm horizontal and ±10mm vertical measuring range with clear 0.5mm scale markings, allowing accurate tracking of crack widening and wall displacement over time for structural safety checks.
• 【Durable & Weatherproof Acrylic Construction】Made of high-quality transparent acrylic, the crack gauge is impact-resistant, UV-stable and suitable for long-term indoor and outdoor use on walls, concrete, foundations and buildings.
• 【Complete Installation Kit Included】Comes with stainless steel screws for quick and secure mounting across cracks. The double-plate design moves independently to record even subtle structural changes without interference.
• 【Easy-to-Read & Long-Term Tracking】The clear grid and numbered scale let you easily record initial readings and compare changes later, ideal for homeowners, builders and surveyors to monitor structural cracks before/after renovation or settlement.
• 【Versatile Application Scenarios】Suitable for monitoring cracks in walls, ceilings, floors, foundations and masonry. Perfect for structural safety inspections, settlement monitoring, renovation works and property condition surveys.

Ideal for both professional and DIY structural safety monitoring, our Standard Crack Monitor Tell-Tale is an essential tool for tracking wall and concrete crack movement over time. Made of durable transparent acrylic with precision-etched scales, this 2D crack gauge provides clear, accurate readings of horizontal and vertical displacement, helping you identify potential structural issues early. The kit includes all necessary installation hardware (stainless steel screws ) for secure mounting across cracks. The independent double-plate design moves freely with crack expansion/contraction, ensuring you capture even subtle changes without affecting natural structural movement. Suitable for use on indoor and outdoor walls, foundations, masonry and ceilings, this crack monitor is widely used in building inspections, renovation projects, settlement monitoring and property condition assessments. Keep track of your building’s structural health with this reliable, easy-to-read monitoring tool.