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3 Pack Two-Color Scale (inch, cm)Plastic Ruler Set Straight Ruler Plastic Measuring Tool for Student School Office (6 inch Ruler,8 inch Ruler, 12 inch ruler/15,20,30cm) - - Amazon.com
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Amazon.com : 6 Inch / 15 cm Assorted Color Aluminum Ruler in Inch and CM Scale with Hanging Hole | Pack of 6 : Office Products
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