Details
Alumicolor ALUR119-1 Architect's 12" Hollow Aluminum Triangular Drafting Scale (3030-1)

12 inch Triangular Architect's ruler with 3 sides with 6 different scales
Ultra smooth calibration marks never rub off or fade
High quality extruded aluminium is perfectly straight for precise measurements
Imperial Scale: 1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2" 1/4", 1/8", 3, 16
Alumicolor triangular Drafting Scales are made of professional-quality extruded aluminum. Alumicolor's photo anodizing process makes the calibrations a part of the aluminum, providing a smooth, tick-free finish and markings which are resistant to cleaners and solvents. Hollow Scales are lightweight for easy portability and a more affordable price. Graduations: 16, (1/8, 1/4), (1/2, 1), (3/8, 3/4), (3, 1-1/2), (3/32, 3/16)