Check the listing for details. Jd21-0003 0-0.15" by .0005'' Graduations Coaxial Centering Co-Ax Indicator Dial. Condition: New. Listed at 129.49 USD. Features: Gradations & Range: Range of Per Rev: 0 ~ 0.15", Accuracy: 0.0005", Measuring Range: 0 ~ 4-1/4", Dial Reading: 0 ~ 50. Superior Quality: Crafted with high-grade aluminum alloy, steel and plastic, durability and reliability. Designed to simplify measuring for centering workpieces or fixtures on machines. Accurate Measurements: JD21-0003 features clear microfine black gradations against a yellow dial indicator, which is easy to read and adjust. Ideal for accurately centering and positioning components in most machining applications. Operates at Any Angles: .