Medium ruled college paper is generally used in middle school through to college and is also popular with adults. This is a good choice for teen or adult for taking notes in college classes, meetings, using as an office notebook, composition or exercise books, writing journal, daily diary, planning your day or simply writing or sketching. The horizontal spacing is 9/32" or 7.1mm with a margin ruled 1 1/4 inches (32 mm) from the left hand of the page. Designed for a professional engineer who design, build, maintain engines, machines, computing or anyone who loves or enjoy development and inventory. Surprise your favorite engineer with this unique and original present and will love it forever. Get your geek gear on with this funny clothing design. The perfect design for any geek, gamer, nerd, tech lover, game playing, cool, hipster person you know that has a unique sense of style and exudes gamer style. Makes a great birthday gift for a gamer.