1.Stable Material: Featuring stainless steel material, this gauge resists rust and deformation, delivering consistent wear resistance and measurement data for everyday tasks 2. Measurement Tool: This crack width gauge ensures accurate width detection, ideal for equipment maintenance compatibility and engineering applications, functioning as an integrated measurement tool 3.Assembly Compatibility: Provides reliable performance with a clear metric scale, and calibration feature, promoting efficient workflows in tasks requiring meticulous measurement alignment 4.Double Gauge Efficiency: Featuring double gauge functionality, this tool enhances mold processing adaptability while ensuring seamless electronic component compatibility and minimizing tool-switching frequency 5.Seamless Conformability: Optimized for workflow streamlining and error reduction, this crack width gauge combines effortless measurement with a structure Crafted from stainless steel, this crack width gauge ensures accurate measurements for concrete walls during home inspections and construction monitoring, making it a reliable portable tool for detecting structural integrity and finish defects effortlessly. Color: Silver Material: Stainless Steel Package Contents: 1 x Bolt Screw Gauge Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.