150mm/0.02mm Dial Caliper White Face Covered rack for longer life and chip free operation. 4-way measurement for outside, inside, depth and step. Adjustable dial for easy reading. One revolution.Positive lock.Shockproof. Fitted in plastic case. 0.02mm graduation . Dial resolution: 0.02 mm Accuracy: +/- 0.02 mm per 150 mm Shipping Weight: 0.8 lbs