OIY1392 Features: * Rules * Material: Full-Flexible Steel * Attractive, protective case with transparent front * Graduation Type: 30 * Graduations: 1/2mm One Side; mm and 1/2mm on Reverse * Style: Single Row of Inch Figures Dimensions: * Rules with single row of inch figures (all rules under 1"" width) * Length: 150mm * Width: 12.7mm * Thickness: 0.4mm