4" Dial Caliper White Face Meets DIN 862. 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. 0.001" graduation . 0.100" per revolution. Accuracy: 0.001". Shipping Weight: 0.4 lbs