Ampad® Graph Pads offer double-sided graph-ruled sheets in a convenient glue-top pad. The pad's 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 and more. Heavyweight 20 lb Bond Weight Sheets. Pocket-Sized Indicator: N; Pad-Binding Type: Glued/Gummed; Pad-Binding Edge: Top; Number of Subjects/Sections: 1.