1. OTR.970 Hard To Buff Ink (120ml)

     New and improved formula!

    OTR.970 is ultra permanent alcohol-based superior ink. This legendary ink is the nightmare of cleaning crews. Optimized for the OTR.070 & OTR.071Hard to Buff Marker and the ON THE RUN Soultip™ squeeze markers, OTR.970 works perfectly with a wide variety of painting and writing instruments.

    Multi-purpose use! For indoor & outdoor use.  Works on paper, metal, plastic, glass, and stone. Can be used on canvas, walls, mixed media, and many other surfaces. Best on smooth and dust-free surfaces!

    Use the OTR.970 HARD TO BUFF INK with alcohol-based ink markers, pump action valve markers, brushes, air brushes, or any mob & squeeze marker etc.


    alcohol-based ink
    210+ ml
    Color: Deep Black

    Multi-purpose use! 

    • ultra permanent
    • fast drying
    • highly pigmented & opaque
    • strongly smudge- & scratch-
    • strongly UV- & heat-resistant
    • weatherproof
    • xylene-free

    Optimized for the OTR.070 & OTR.071 Hard to Buff Markers,  ON THE RUN FLOWPENTM & SOULTIPTM SQUEEZE MARKER

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