Features 1、Designed to achieve high precision linear motion, low friction coefficient. 2、Generally used in linear reciprocating applications, suitable for automation industries. 3、Made of high quality aluminum alloy material, wear resistant and durable in use. 4、200mm effective stroke sliding rail, come with screw and Nema17 stepper motor. 5、Precision manufacturing, high positioning accuracy, stable performance. Specification Features: Designed to achieve high precision linear motion, low friction coefficient. Generally used in linear reciprocating applications, suitable for automation industries. Made of high quality aluminum alloy material, wear resistant and durable in use. 200mm effective stroke sliding rail, come with screw and Nema17 stepper motor. Precision manufacturing, high positioning accuracy, stable performance. Specification: Material: Aluminum alloy Effective Stroke: 400/500/600mm (Optional) Screw Model: 0808 Screw Diameter: 8mm Package List: 1 x Screw Guide Rail 1 x Nema17 stepper motor Package List