Mitutoyo 530-109 Standard Model Vernier Caliper has a measuring range of 0 to 300mm with 0.05mm graduation and an accuracy of +/- 0.08mm. 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.