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 (Black) Black auspowers_batchfive Plus the most advanced CPU

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Machine Screw Thread Diameter: 5/32-32

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Packed set of 6 with 6 different colors

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 (Black) Black auspowers_batchfive Plus the most advanced CPU6 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 (Black) Product Features Material: the scale ruler set is made from pure aluminum mixed with other elements to create a high strength alloy, and the triangular ruler is durable, lightweight and reliable Target customer: with reliable construction and accurate