Alumicolor 6 Architect Joist/Truss Scale #3100-1
IDEAL METAL ARCHITECT RULER - This 6 inch scale is perfect for drawing, drafting and measuring designs, such as blue prints, floor plans, scale
Alumicolor Architect 6 inch Bevel Ruler w/Joist/Truss Scale for Drawing, Drafting & Engineering, Calibrations Divided by (1/2, 1), (1/8, 1/4), Silver
6 Architect Triangular Hollow Scale - 3020
Detailed introduction about aluminum stage truss
6.5 Aluma Beam - Aluminum Joist & Stringer - Wellmade
Alumicolor Architect 6 inch Bevel Ruler w/Joist/Truss Scale for Drawing, Drafting & Engineering, Calibrations Divided by (1/2, 1), (1/8, 1/4), Silver
A.C. Lighting Inc. - Entertainment Lighting Technologies
Select-a-Scales
6 Engineer Pocket Scale - 3210
6 Aluminum architects scales pocket size architectural scale ruler
Alumicolor 12 Architect Joist/Truss Scale