Store - Koala Ring Ruler Metric
Koala Ring Ruler Metric
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Forget about using a needle compass &nash; place the power of Pi into your hands with this adjustable ring ruler!
Koala Ring Ruler is a circular ruler that gives you a new and intuitive way to create and measure circular shapes. It provides a useful circular measurement of diameter and circumference (arc length).
The Ring Ruler is very easy to use: simply expand or contract into the desired diameter and quickly snap into place! Quicker and safer than a needle compass, it transforms the process of drawing and measuring circles into an easily traceable, circular motion.
- Available in US Standard and Metric Scales
- Size: Up to 6" (15 cm) in Diameter
- Displays diameter and arc length
- Strong flexible plastic construction
- Easy to use
- Rule circles on flat surfaces and on 3D spherical and cylindrical objects
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