What is the COLOP e-mark ruler'The COLOP e-mark ruler offers perfect guidance for printing perfectly straight lines. With its precise positioning, you can now also print onto small, difficult or uneven surfaces with ease.Like the COLOP e-mark Ribbon Guides, the COLOP e-mark Ruler can be used together with other comsumables within the COLOP e-mark product range.Product FeaturesIdeal for accurate aligned printing onto large, small and uneven surfacesGuarantees a perfectly straight imprintMaterial: SAN