Fairgate Aluminum Designer L-Square, 14 x 24 Inches (L106) Printed for ultimate accuracy for graphic or industrial use L - Squares with 14-inch arm and 24-inch arm The 14 inch arm is calibrated in 1/2, 1/4, 1/8, 1/16, and 1/32 inches The 24 inch arm is calibrated in 24ths, 1/3, and 2/3 inches Reverse side in inches and 1/8