The Mitutoyo 530-119 Vernier Caliper has an Inch/Metric Dual Scale and a measuring range of 0 to 12"/ 300mm with a an Accuracy of 0.04mm and 0.02mm Lower Scale graduations, .001" Upper Scale graduations. This is a High Accuracy model. Features a small face angle of 14 degrees which provides easy reading. Measures Outside Diameter, Inside Diameter, depth and steps. Furnished in Satin Stainless Steel with easy reading graduations. Equipped with a lock screw for holding the sliding jaw position allowing the user to get easy measurements.