Helix Circle Ruler - 12, Assorted

This 2-in-1 ruler/compass let you draw circles from 1 to 12. Place the center disk hole on starting point and choose desired circle size (1/8

Triangular Scale Ruler Helix 30cm / 12 Inch Metric Tri-scale Rule Solid Plastic Ruler

TeachersParadise - Helix Shatter Resistant Ruler 6 / 15cm - MAP13107

Chartpak® 12 Scale Architect Ruler (238)

Maped Helix USA MAP13105 12 in. Shatter Resistant Ringbinder Ruler

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

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

Maped Helix 360 Angle and Circle Maker, Math, Grade 5+ (MAP36002-6) : Office Products

Wedo 521530 Folding Ruler 15-30 cm with Angle Scale Transparent

Staedtler Mars College Combination Set With Ruler, Protractor, Triangles

Wedo 521530 KLAPP-Lineal, 15-30 cm, açılı skala dahil, şeffaf

BAZIC 12 (30cm) Jeweltones Color Ruler Bazic Products