1Made of black oxidization aluminum alloy, wear resistant, anti-corrosion and lasting to use. 2Digital LCD screen makes it easy to read the measuring results. 3Total displacement accuracy of the double axis up to 0.002mm. 4Slide guide adopts cross roller type, with strong load bearing capacity. 5Widely used in production machinery, inspection equipment, optical laboratory precision measurement, fine-tuning displacement, mechanical equipment positioning and movement, etc.