integrated grid guide

It is the most widely used GraphGear setup across professional structural drafting

Standard A4 measures 210 x 297 mm — the Master Classic measures 225 x 315 mm

controlled writing

The pen itself is made from 81% recycled plastic

uni ball eye 157e fine rollerball pen 0 7 mm Tombow ABT Dual Brush-Pen integrated grid guideThe Eye Fine sits between the line's finest and broadest tips at 0. 7 mm, giving an everyday writing stroke that doesn't need much downward pressure to flow smoothly useful for long writing sessions like note taking or exams, where pressing hard for an hour straight gets tiring. Ink reaches the tip through uni ball's Uni Flow regulator, keeping the line consistent without the pen needing to be tilted or pressed at a specific angle. The ink is acid