Crack Measuring Gauge with Clear Kaidan Scale

[Features]
· One device can be used to measure both widths and lengths.
· Apply the included sticker to measure angles and diameters.
· Transparent, which makes it easy to use for measurements. Made of soft, easy to handle polyester.
· A handy business card size which makes it easy to carry around.
[Applications]
· For measuring cracks in walls and foundations, etc.