Produced of acrylicy Component, this Cracks Gauges monitor is wear resistant and not easily breakable Whether a professional or a homeowner, this Device is a must get tool for detecting wall deformations and cracks The Cracks Gauges Set is a strong and Stable measurement tool for cracks Suitable for enthusiasts and Professional, this Measuring Tool is perfect for measuring space and Cracks development This Cracks Gauges monitor can be used in various situation such as home improvement projects and interior decoration, Manufacturer: JKRNEJGR