Marked both sides, both edges. Graduated to 1/16ths both edges. 16" stud centers marked in red. Regular outside markings. 066F has inside markings: numbering begins on inside of rule: measurement lies close to the work. 062CME has reading left to right on both sides: rule is graduated in (mm) with (cm) and (m) markings on the metric side: English side is marked to 1/16ths