Ampad® Graph Pads offer double-sided graph-ruled sheets in a convenient glue-top pad. The pad's 4 x 4 graph rulings have a heavier rule at the margins and in 1" cross sections. This favorite tool of students and professionals is ideal for scaled plans and specs, technical drawings, equations, notes & more. Proudly made in the USA. 4 Squares per inch. 8-1/2" x 11". 50 Sheets.