Three-point contact micrometer has an advantage in that it can be seated in position more quickly than a two-point contact tool. Usually these tools can also be read to a finer accuracy. The three-point tool will tell the maximum true diameter that can enter the hole a little faster than a two-point contact tool.

    Ratchet stop carbide tips.

    With standard ring.

    Packed in aluminum box.
    Extension Rod: 100mm and 150mm