This 16"x8" Aluminum L-Square is the perfect tool for fashion designers looking for accuracy in measuring and transferring the human figure to flat patterns. Its arms are calibrated two edges with each side featuring longarm in 8ths and 24ths, 12ths, 6ths, 3rds, 2/3rds and inches in 8ths on the reverse. Short arm features inches in 8ths, 32nds, 16ths, 8ths, 4ths, and halves with inches in 8ths on the reverse. A reliable and accurate tool for crafting perfect patterns.