Ampad® Engineering Computation Pads have 5 x 5 cross-section rulings printed on back and margin lines and heading bars on front. The format is ideal for architects, engineers and students producing diagrams or technical drawings. Each glue-top pad features low-glare green tinted paper and is 3-hole punched to fit a standard binder. Proudly made in the USA. 8-1/2" x 11". 200 sheets.