Roaring Spring 5×5 Graph Ruled Spiral Lab Notebook 80 Sheets – 160 Pages – Printed – Spiral Bound – Both Side Ruling Surface – 3 Hole(s) – 15 lb Basis Weight – 56 g/m² Grammage…

Quad Lab Notebook is great for great for science classes or design drawing. Each sheet has 5 x 5 quad ruling for technical work. They are three-hole punched to fit inside standard three-ring binders. Wire ends are coil-locked for snag-proof performance. Cover is made of kraft material. Notebook contains 80 green sheets (15 lb.).