Precision knife edge ruler 300 mm- 707291

Precision knife edge rule 300 mm

The best way of checking if a surface is flat is with this straight edge, using the light-gap method.

The rules are bevelled on the measurement edge and have a textured rubber grip.

Stainless steel, accuracy grade 00 in accordance with DIN 874, supplied in a protective case.

Tolerance 0.002-0.004 mm.