Features: The Crack Gauges Set is a strong and reliable measurement tool for monitoring cracks.<br> Produced of acrylicy material, this crack Gauges monitor is wear resistant and not easily breakable.<br> Suitable for DIY enthusiasts and Professional, this precise Measuring Tool is perfect for measuring space and monitoring crack development.<br> This crack Gauges monitor can be used in various situation such as home improvement projects and interior decoration.<br> Whether a professional or a homeowner, this Monitoring Device is a must get tool for detecting wall deformations and cracks.<br> Specifications: Material:Acrylic<br> Quantity:2,4<br> Size:Approx.12.3cm/4.84'x3cm/1.18'<br> Package Includes: 1xCrack Gauges<br> note: Please allow 1mm errors due to manual measurement.<br> Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.