YONGLIDA single-channe Fineness Gauge (model QXD0-150) is made of Cr12 molybdenum vanadium material, the number of grooves is 1, the QXD0-150 single-channe Fineness Gauge detects the Fineness range of 0-150 μm, and the Graduation of QXD0-150 is 10 μm.