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12" ruler
English scale
Changes color with the heat of your hand
12" ruler English scale Changes color with the heat of your hand
15 cm ruler Metric scale
15 cm ruler Metric scale Changes color with the heat of your hand
30 cm ruler
Metric scale
30 cm ruler Metric scale Changes color with the heat of your hand
Popular 6" ruler
Popular 6" ruler English scale Changes color with the heat of your hand
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