It can be used to inspect concrete cracks such as in walls.
It is the size of a card, making it easy to carry around and can even be stored in a business card holder.
The white type is easy to see on old concrete or in dark places. Size: 55 x 91 x 0.25 mm
Material: Lexan film
Readable value: 0.03 to 3.0 mm
Scale color: White
Quantity: 1 piece
Code number: 554-3870
