Features High Quality: Micrometer Platform is made of aluminum alloy black oxidation manufacturing, wear-resistant, anti-corrosion, waterproof and anti-oxidation, durable. Digital Display: Digital display micrometer adjustment, convenient reading and control, displacement precision up to 0.001 mm. Wide Applications: The micrometer stage widely used in production machinery, inspection equipment, optical laboratory precision measurement, fine-tuning displacement, mechanical equipment positioning and movement. Durable: The sliding guide rail of the micrometer stage adopts the cross roller type, and the load bearing capacity is strong. Service Guarantee: If you’re not 100% satisfied with your purchase, please get back to us, we will try our best to make sure your full satisfaction. Specification: Item Type:Micrometer Platform Table Size:80 x 80mm / 3.15 x 3.15in Thickness:20mm / 0.79in Loading Capacity:98N(9.5kgf) X Shaft Stroke:+-12.5mm(Total Moving Distance 25.0mm) Adjustment Accuracy:0.001mm Material:Aluminum Alloy(Blackened Oxidation) Movement Distance Adjustment: Micrometer differential head, large circle for coarse adjustment, small circle for fine adjustment Sliding Track: Linear Guide Rail Type: Cross Roller Type  Button Cell Type:CR2032 3V 210mAh Package List:1 x Micrometer Platform Package List 1 x Micrometer Platform