The Hultafors STL Ruler is made from tempered stainless steel for extra durability. The surface is matt chrome-plated for anti-glare and more accurate reading. Graduated in millimetres along the upper edge, half-millimetres along the lower edge and with decimetre figures in red. The reverse side is blank. Specification: Tolerance: ±0.3 mm/m.Select Option 1000mm15cm300cm60cm Add to Basket Quantity