What Are The Graduations On The Sleeve Of A Metric Micrometer?

What Are The Graduations On The Sleeve Of A Metric Micrometer? The thimble has 50 graduations, each being 0.01 millimetre (one-hundredth of a millimetre). Thus, the reading is given by the number of millimetre divisions visible on the scale of the sleeve plus the particular division on the thimble which coincides with the axial line