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Pacific Arc Drafting Triangle, 12-Inch, 30/60/90 Degrees, W/Inking Edge, Topaz

Triangular Engineering Scale Aluminum Ruler For Architects, Engineers And Students (12 Inches)

WESTCOTT Triangles, 12" Professional Triangle-45/90, P450-12

Beslands Aluminum 12-Inch Rafter Square Professional Carpenter Measuring Layout Tool Alloy Metal Triangle Ruler Imperial Protractor For Woodworking,

Alvin 45/90 12" Professional Fluorescent Acrylic Triangle - Straight Edge

Alvin 45/90 12" Professional Clear Acrylic Triangle - Straight Edge

Mr. Pen Architectural Triangular Ruler Set With 12 Inch Triangular Scale, 11 Inch 30/60 And 8 Inch 45/90 Triangles

Acurit Adjustable Triangle 12" With Inking Edge

Pacific Arc 12" Professional Adjustable Triangle With Inking Edge