I was looking for a universal ruler/ruler in both metric and inch scales and found it at Mr. Pen. I've needed a good quality metal ruler many times to measure and make cuts with a razor or Xacto knife. The straight aluminum edges notch and bend too easily and that doesn't work for me. These stainless steel rulers are perfect! As a carpenter and hobbyist, I need precise tools to get the job done. These fit perfectly. Others have mentioned notches that don't reach the end of this ruler for checking the depth of router bits or cuts on a table saw. There are tools for that. Every draftsman knows that a good ruler has a "zero mark" spaced from the end of the ruler in case it is dropped. Such damage quickly ruins a good measuring device. This is a professional instrument, not a children's instrument. My kids know better than to touch my drawing gear. I buy them the right tools for art or school projects. I like the dimensions clearly marked and they are bold enough to be legible down to the smallest increments even with my aging eyes. I'm so glad I have her and so glad I found Mr Pen!
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