1. Graduated Accuracy: The product consists of a accuracy caliper with two plates which overlap a portion of the length. The bottom plate is calibrated in millimeters and the top plate is transparent and marked with a shaped thin line cursor.
2. Testing Table: Crack monitoring gauges are used to control cracks in walls and how they evolve over the measurement time. Prime polymer with easy to read measurement grating.
3. Fixed Post: The redesigned fixing posts make it easy to fix the two pieces together without the need for glue.
4. Easy to Record: Provide a crack record sheet and secure with screws. The opening or closing of the crack can then be recorded on the record sheet.
5. Lightweight and Convenient: The product is made of prime acrylic plate is small and easy to carry, lightweight and easy to use.

Specification:
Item Type: Crack Monitor
Product Material: Acrylic
Use: Measuring Instrument
Weight: 36g / 1.27oz

PackageList:
2 x Crack Monitor

4 x Expansion Tube
4 x Screws
1 x Instruction Manual