6 Pieces Aluminum Triangular Architect Scale Ruler Set, 2 Pieces 12 Inch Aluminum Scale Ruler with 4 Pieces Aluminum Triangle Ruler Square Set for Students, Draftsman and Engineers, Metric (Silver)

描述

6 Pieces Aluminum Triangular Architect Scale Ruler Set, 2 Pieces 12 Inch Aluminum Scale Ruler with 4 Pieces Aluminum Triangle Ruler Square Set for Students, Draftsman and Engineers, Metric (Silver)