Features:
*±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
*Tell-Tales are for gauges that consist of two plates which overlap for a part of their length.
The bottom plate is calibrated in millimetres and the top plate is transparent and marked with a hairline cursor in the of a for cross.
*Supplied with full instructions and Crack Record Sheet& Fix using Screws and
*The redesigned fixing column can easily fix the two pieces together without the need for glue.
*Crack monitoring scale is used to monitor the cracks in the walls and how they evolved along the measured time.High-quality polymer with easy-to-read measurement grid
*Easy to install, and sunlight resistant wear and scratch resistant
*Highly transparent for acrylic sheet is clear and precise
*Crack monitoring gauge is used to monitor cracks in walls and how they for evolve over time of measurement

Specifications:
Material: for acrylic
Size: 10*3*0.9cm
Packing: for OPP
Use: can be used to monitor wall deformation/cracks

Package Included:
2 pair of monitors
8 x screws
2 x monitoring sheet