Diesella Steel Rule 500x25x5 mm form B graduation

Measuring rod/steel ruler made in accordance with DIN 866. Form B made in normal tool steel with engraved millimeter scale. The left and right sides have a protective end (= The first and last 10 mm have no millimeter scale). Used for: Used to check e.g. tape measure. Can also be used as a ruler as the vertical edge is finely polished. Certificate: No (not included)