There are a lot of people who experienced the experience that the ruler was carelessly deviated when drawing a line with a ruler and the line rattled ..... So, we made a little effort on the rulers, ...

Imagine a tool that’s been meticulously designed to meet the demands of today’s creative professionals—a tool that embodies precision, versatility, and the utmost convenience. This is the essence of ...

Since the scale line of a general ruler has a width, many people have had the experience of trying to draw a line of the correct length with a ruler and wondering 'how far should I draw this scale ...