Spirax Lecture Books are 7 Hole Punched for use in 2,3 or 4 Ring Binders. All pages are perforated for ease of removal and filing.

• 7mm ruling and red ruled margin.
• Red Ruled margin with 7mm ruling.
• Spiral bound on the top of the book.
• Perforated Pages allow you to remove and file paper with ease.
• 140 Pages