Helix 2-in-1 Circle Ruler Measuring & Compass Tool 12 / 30cm, Pack of 5

This innovative 3-in-1 ruler and compass makes it easy to draw precise circles up to 12 in diameter! For larger circles, simply place pen or

Brand, Helix

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Helix Circle Ruler This dual-purpose ruler also works as a compass, allowing the you to make circles from 1/16 to 12 in diameter. A useful tool for draftsmen, students, artists and crafters who require precise, measured lines. Great for mathematic calculations, technical drawings and designing patterns.

Helix - Circle Ruler

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