
The Draper Aluminium Triangle Scale Graduations Ruler is a precision measuring tool designed for accurate interpretation of architectural and technical scale drawings.
This 300mm aluminium scale rule features a triangular profile with six commonly used scale ratios, making it an essential tool for architects, engineers, surveyors and tradespeople working from detailed plans.
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13 Sept 2026 – 14 Sept 2026 · 2 recorded prices