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 & in 1" cross sections. This favorite tool of students & professionals is ideal for scaled plans & specs, technical drawings, equations, notes & 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.