12 Inch Triangular Engineer Scale Ruler, Anodized Solid Aluminum Core with Laser Etched Scales, Imperial Scale 1:10, 1:20, 1:30, 1:40, 1:50, 1:60, Ideal for Civil Engineering Drafting Black

The construction and clarity of the engineering ruler are excellent. The material is sturdy and represent a return to high quality. It is rare to find a metal rulers since most are now made of plastic. The ruler sturdy is but remains lightweight.

This tri ruler is something I couldn’t design without. I have issues with my eyes for various reasons and having a black background and white or bright fluorescent texts is so much easier to read rather than white background and black or dark texts colours so this ruler really is perfect for me and well made. I also use magnifiers to help with detailed measurements and I was able to see the sharp details of the etched in numbers and lines on each face of the ruler. Most of my design tools are Alvin products because of the quality but also their products just seem to work well with how I think. Well designed and well built design tools. I will no doubt purchase more Alvin products in the future.

Good. I am using it for school work since I got it. I like this metal material better than plastic ones

Very sturdy, precise, clean looking, and accurate scaling aluminum ruler if you know how to use it. The laser engraved tic marks/numbers are very sleek looking, and easy to see. Most definitely an upgrade from a standard ruler. Would highly recommend! Even if you are not in an engineering, architecture, machining, or drafting focused career this can be very helpful for making accurate measurements for any task. Certainly a tool you will thank yourself later for adding to your arsenal. Very pleased!

I like the feel I know I don’t have to worry about it breaking or wearing off the markings.