HLX36001
Helix Ruler
30cm / 12" Graduations - Imperial, Metric Measuring System - Plastic - 5 / Box - Assorted
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Combined ruler and compass that shows how angles and measurements correspond
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Easily draw neat circles with integrated circle templates and graduated increments
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Great tool for geometry and easier for young students to use than standard compass
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Sturdy construction to sweep the ruler around its center point to make larger circles
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Versatile graduations up to up to 12"/30cm