Four-sided meter sticks are marked with a different metric unit on all four sides. The plastic design will provide years of useful service.
Meter Stick - Double-Sided Hardwood Metric Meter Stick with Horizontal Reading and Protective Metal Ends
ACM10431 Westcott® RULER,METER STICK,WDG on PopScreen
A convenient measuring device that includes four different metric scales of various precision.
Four Scale Meter Stick
Frey Scientific Four Sided Meter Stick : Office And School Rulers : Office Products
Senior Meter Stick (cm & mm)
WardsSci000224 Ward's Science
Four Scale Meter Stick - SE-8695 - Products
2.72 #4 Meter stick with spring scales
WardsSci000620 Ward's Science