This 6" flexible plastic ruler is from the Carolina Biological Supply Company. On the front of the ruler in addition to metric and inch info, "Living Creatures" and "Preserved Material" are printed. Gross, I don't want to know!!
10 pack Office Impressions - 12" Clear Plastic Rulers 12" plastic ruler offers a clear view. Measurements are scaled in 1/16" on one side and millmeters on the reverse side. Sturdy plastic.
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