The Johnson Level Architect’s Rule is an ideal choice for engineers and drafting works. Made of aluminum extruded triangular ruler with an anodized finish, resistant to all weather conditions. It features a laser etched graduations and numbers for easy reading.
This rule uses U.S. standard scale, 12" 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 inch. The Johnson Level Architect’s Rule comes with 1-year warranty.