Features: This microscope movable caliper is practical and not easy to break, over manual knob movement, control platform, accuracy up to 0.1mm. This microscope movable caliper is used to move sections or specimens continuously under the microscope and is easy to use. The microscope movable caliper's screws are horizontally align and easy to install and fix, allowing for high accuracy operating without fuss. The microscope movable caliper adopt aluminium, which is robusts and resistant to wear and tear and have long service time. This microscope mobile caliper is practical with a scale, making it easy to carry around with short testing times. Specifications: Material:Aluminium Type:Moveable Scale Ruler,Two-dimension Ruler Package Includes: 1Piece Microscope Movable Caliper note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.