Precision Crack Monitor Gauge Transparent Tool to Measure Horizontal & Vertical Movement in Walls for Construction Inspection

Battery Included : No High-concerned chemical : None Certification : None DIY Supplies : Woodworking Model Number : gap gauge Origin : Mainland China Material : Stainless steel Measurement Range : 0-80mm Crack Gauge Monitor : Crack Monitoring Record Crack Measuring Instrument : Crack Monitoring Record Tool suitable_for : family usage_scenarios : construction