Name: HELIX 30 C.M ALUMINIUM SCALE RULER

This triangular triangle scale metric ruler is ideal for use in schools and offices.Length - 30cm / 300mm / 12 inches contains following scales: 1:1 / 1:2 / 1:5 / 1:10 / 1:20 / 1:50 / 1:100 / 1:200 / 1:500 / 1:1000 / 1: 1250 / 1:2500Made from high grade aluminium metal this ruler is ideal for use on A3 drawing boards. Ideal for;. Technical architects. Drawing. Engineers . Design. Architecture . CDT . University

HELIX 30 C.M ALUMINIUM SCALE RULER

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