This one-sided ruler is available in 12", 18", 24", 36", and 48" lengths. The top is inches (16ths) and the bottom is picas/half-picas. The 12", 18" and 24" have flush starts and indented finishes. The 36" and 48" have indented starts and finishes. NOTE: This ruler is available with cork. Note: Price shown is for 24" model