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Permanent bright opaque markers for most surfaces, whether semi-porous or non-porous. RNM ink penetrates grease, oil and rust to give a waterproof mark which will withstand many kinds of metal processing. The marker comprises a flexible plastic container with a ball valve writing head. Applications include metals, rigid plastics, painted surfaces, wood, stone, asphalt and similar materials. Complete with standard 2.5mm ball heads.Size: 1ltr.
