Crack Monitoring Record Tell-Tale Crack Monitors, Standard & Corner, 30 Pieces

Crack Monitoring Record, Standard Tell-Tale Crack Monitor For The Standard And Corner Tell-Tale (30PCS)

- 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.