Spirax Lecture Books are 7 hole punched for use in 2, 3 or 4 ringed binders. These are 3 spiral bound books in top and side opening.
7 hole punched quality paper for use in 2, 3 or 4 ring binders
Red ruled margin with 7 mm ruling
Spiral bound on the side of the book
Perforated pages allow you to remove and file paper with ease