Hultafors STL Ruler, comes in tempered stainless steel, and has a matt chromeplated surface for anti-glare reading.
The ruler is graduated in millimetres along the upper edge and half-millimetres along the lower edge. The reverse side is blank.

Tolerance: ±0.3 mm/m.
This Hultafors STL 300 Ruler comes in tempered stainless steel, and has a matt chromeplated surface for anti-glare for more accurate reading.
The ruler is graduated in millimetres along the upper edge and half-millimetres along the lower edge. The reverse side is blank. (Metric and Imperial).
Size: 300mm (12in).
Tolerance: ±0.3 mm/m.