1 PCS 30cm Scale Ruler Architect, Plastic Triangular Ruler for Architectural, Blueprint, Drafting, Architects, Students, Draftsman and Engineers(1:100, 1:200, 1:250, 1:300, 1:400, 1:500)

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1 PCS 30cm Scale Ruler Architect, Plastic Triangular Ruler for Architectural, Blueprint, Drafting, Architects, Students, Draftsman and Engineers(1:100, 1:200, 1:250, 1:300, 1:400, 1:500)