Length: 12" Width: 1" English/Metric Graduations: 32nds, 64ths, 1mm, 1/2mm. Thickness: .040" Made in USA by PEC Tools Made of hardened and tempered steel. Satin Chrome Finish. Made in USA by PEC Tools. English/Metric graduation shows 32nds, 64ths, 1mm, 1/2mm.