Lance 24" aluminum L-square is used by fashion designers and tailors in patternmaking. Long arm calibrated 8ths inches in 24ths, 12ths, 6ths, 3rds, 2/3rds; inches in 8ths on reverse. Short arm inches in 8ths, inches in 32nds, 16ths, 8ths, 4ths, halves. Inches in 8ths on reverse. Hanging hole for convenient storage. Lightweight 24" x 14" tailor's ruler is a must for all pattern makers and fashion design students and professionals.