Features 1、Designed to achieve high precision linear motion, low friction coefficient. 2、Made of high quality aluminum alloy material, wear resistant and durable in use. 3、Generally used in linear reciprocating applications, suitable for automation industries. 4、100mm effective stroke sliding rail, come with ball 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. Made of high quality aluminum alloy material, wear resistant and durable in use. Generally used in linear reciprocating applications, suitable for automation industries. 100mm effective stroke sliding rail, come with ball screw and Nema17 stepper motor. Precision manufacturing, high positioning accuracy, stable performance. Specification: Material: Aluminum alloy Ball Screw Model: 0808 Ball Screw Diameter: 8mm Package List: 1 x Ball Screw Guide Rail 1 x Nema17 stepper motor Package List