Features The product is made of high-quality materials and has a long service life. High precision, easy to install and use. Used for moving sections or specimens under the microscope. A good replacement for microscope accessories that are broken. 100% brand new product, all refund if unsatisfied If you have any questions. This movable mechanical stage is used on microscope to move the slices or specimens continently. The product is made of high quality material, long serving life. High-precision, easy to install and use. Features: -The product is made of high-quality materials and has a long service life. -High precision, easy to install and use. -Used for moving sections or specimens under the microscope. -A good replacement for microscope accessories that are broken. -100% brand new product, all refund if unsatisfied If you have any questions. Specification: Material: Aluminum alloy Horizontal maximum moving distance: 3.3cm / 1.3in Longitudinal maximum moving distance: 3.8cm / 1.5in Weight: 117g / 4.1oz Package list: 1 * Microscope Moveable Caliper Package List