Oxford Engineering Computation Filler Paper, Greentint, 3-Hole Punched, Letter Size, 5 square inch ruling, 500-Sheets (26-145) Go to amazon.com Related posts Looking for a engineer paper? Have a look at this 2022 guide! FeatureGreentint5 Sq. Inch Ruling500 Sheets3 Hole PunchedFiller Paper DescriptionComputation pads are perfect for engineering and technical applicatins. Features greentint paper, 3 hole punched