30cm Ruler (Helix)
- The Helix ruler shows both centimetres, millimetres and imperial measurements, up to 12 Inch / 30cm / 200mm (0-100mm each side).
- Clear plastic allows you to see what's underneath, adding to the accuracy and ease of use.
- The zero centre graduations are ideal for algebra, making this ruler suitable for school, college, home or office.
- Features recessed finger grip for ease of use
- This ruler is made from shatter resistant material and features two hanging loops.
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£1.40