Features: _x000D_ Designed to achieve high precision linear motion, low friction coefficient. _x000D_ Made of high quality aluminum alloy material, wear resistant and durable in use. _x000D_ Generally used in linear reciprocating applications, suitable for automation industries. _x000D_ 100mm effective stroke sliding rail, come with ball screw and Nema17 stepper motor. _x000D_ Precision manufacturing, high positioning accuracy, stable performance. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Material: Aluminum alloy _x000D_ Effective Stroke: 100/200/300mm (Optional) _x000D_ Ball Screw Model: 0808 _x000D_ Ball Screw Diameter: 8mm _x000D_ _x000D_ Package List: _x000D_ 1 x Ball Screw Guide Rail _x000D_ 1 x Nema17 stepper motor 1Designed to achieve high precision linear motion, low friction coefficient. 2Made of high quality aluminum alloy material, wear resistant and durable in use. 3Generally used in linear reciprocating applications, suitable for automation industries. 4100mm effective stroke sliding rail, come with ball screw and Nema17 stepper motor. 5Precision manufacturing, high positioning accuracy, stable performance.