About the product
- Pack of 10pcs.
- This crack width ruler is marked with a range of graded lines. Each line has a specified width.
- Use this product to measure the crack width of reinforced concrete and masonry. Range: Ruler A: 0.004 - 0.100\" (0.10 - 2.50mm). Ruler B: 0.1 - 7.0mm
- Size: 2-1/5\" W x 3-1/3\" L x 0.03\" Thick, credit card size is easy to use and carry.
- Made of premium PVC, attractive and durable.
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