Helix Oxford Tri-Scale Ruler, 300mm

Helix 300mm / 12″ Metric Triangular

 Scale Rule Solid Plastic Ruler

Comes Blister Carded

THREE COLOUR CODED SIDES:

RED,BLUE, GREEN

Durable White Plastic Triangular Ruler

3 Colour Coded Sides, Each Side with Different Scale

30cm / 12 Inches

Perfect for Students and Professionals alike

Helix Branded