Features Over Manual Knob Movement: This microscope movable caliper is practical and not easy to break, over manual knob movement, control platform, accuracy up to 0.1mm. Versatile Use: This microscope movable caliper is used to move sections or specimens continuously under the microscope and is easy to use. High Accuracy: The microscope movable caliper's screws are horizontally aligned and easy to install and fix, allowing for high accuracy operation without fuss. Long Life: The microscope movable caliper is made of aluminium alloy, which is robust and resistant to wear and tear and has a long life. Short Testing Time: This microscope mobile caliper is compact and lightweight with a scale, making it easy to carry around with short testing times. Specification: Item Type: Microscope Movable Caliper Material: Aluminium alloy Use: For the continuous movement of sections or specimens under the microscope Package List:1 x Microscope Movable Caliper Package List 1 x Microscope Movable Caliper