You open the textbook, grab a pen, and the grid is either too fine to work in or the paper buckles under a second of pressure. This one's sorted. The Spirax P133 gives you A4 pages on a clean 5mm grid — big enough for math working, science diagrams, or engineering sketches without squinting. 64 pages of 70gsm paper sits flat, takes gel and ballpoint alike, and the polypropylene cover shrugs off the bottom-of-the-bag treatment it's going to get all semester. Spirax has been making paper for Australian classrooms for over 84 years. This is the grid book that just works, day one to exam day
| brand | Spirax |
| model | P133 |
| page_size | A4 |
| grid_spacing | 5mm |
| page_count | 64 |
| paper_weight_gsm | 70 |
| cover_material | Polypropylene |
| category | Education & Craft |
| subcategory | Pads & Books |