Aluminum extruded triangular ruler with anodized finish
Laser etched gradations and numbers
Ideal for architects, engineers and drafting
US standard: 12-in scale divided in 3, 1-1/2, 1, 3/4, 3/16, 3/32, 1/2, 1/4, 1/8, inch per foot and one division in 1/16 In.
One division in 1/16 inch
