Nobo Self Adhesive Gridding Tape is perfect for laying semi-permanent grids on boards. Nobo Self Adhesive Gridding Tape (3mm x 10m) is the simple way to lay semi-permanent grids, tables and guide lines onto drywipe and magnetic boards. This adhesive vinyl gridding tape comes in an ergonomically designed, tapered dispenser. Not only does this mean it is comfortable to use, it also ensures straight, accurate lines for a professional finish.