Metric ruler 500mm controlled

Locksmith's ruler LSM - MICROTECH is made of high-quality stainless steel, has a rolled notch with a graduation of 1 mm (0.5 mm on the first cm of the range). The length of the ruler is 500 mm (50 cm)
The ruler LSM is not a measuring device and is not subject to mandatory metrological certification. Serves for household and construction use.