Crack Monitoring Record, 10pcs Corner Tell-Tale Monitor, Tell-Tale Crack Monitor for the Standard, Crack Measure and Record Instrument

• Cracks monitoring Tell tales crack monitors Simple and cool analog crack monitor device.
• ±1 mm (±0.04") tick marks on X-Y axes; ±0.5 mm (±0.02") discrimination
• ±20 mm (±0.79") horizontal and ±10 mm (±0.38") vertical range
• High-quality polymer with easy-to-read measurement grid
• Crack monitoring scale is used to monitor the cracks in the walls and how they evolved along the measured time.

Cracks monitoring Tell tales crack monitors Simple and cool analog crack monitor device. ±1 mm (±0.04") tick marks on X-Y axes; ±0.5 mm (±0.02") discrimination ±20 mm (±0.79") horizontal and ±10 mm (±0.38") vertical range High-quality polymer with easy-to-read measurement grid Crack monitoring scale is used to monitoring the cracks in the walls and how they evolved along the measured time.