Reddit mentions of 6" Plastic Rulers in Assorted Colors

He was price comparing to this, the Fischer one is MUCH better, probably use a higher quality silkscreen process, clean the burs up a bit better, use better plastic, and they probably electronically test them for accuracy afterwards (take a picture of them before shipping and make sure the silkscreening is on correctly). It's obviously more expensive than the cheap china crap. Easily 3x the price of the chinese crap when you consider the labor costs. But the real cheap Chinese rulers can be had for $0.20/each