Narrow pads offer a distance of 1/4 inch between lines and legal or wide control pads offer a distance of 11/32 inches. Double lines mark the left margin. To remove a sheet of paper from the block, simply slide it along the top perforated edge to ensure clean cracks without messy tearing. The strong cardboard spine of the writing block provides structure and a sturdy writing surface for taking notes on the go. Notepads offer 50 standard 16-book sheets of paper in different colors, letter or note size notepads and narrow or legal/wide rulers.