Order online at . Commonly used to convert ratios with scales when making precision drawings. Features 6 scales with colour-coded inserts. CNC-machined and laser-engraved for accuracy. Black anodised finish for enhanced corrosion protection. Triangular profile keeps fingers away from knife blades when used for cutting or scoring card. FREE next day delivery available, free collection in 1 minute.
Helix 45cm Tri-Scale Triangular Ruler : : Stationery & Office Supplies
Architect Scale Ruler
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Faithfull Tri-Scale Architect Ruler 11 3/4 (300mm) - Screwfix
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Triangular Scales