Features 1、Motor driven guide rail achieves high precision linear motion. 2、Generally used in linear reciprocating motion, suitable for automation industries. 3、Made of high quality aluminum alloy material, wear resistant, durable with long lifespan. 4、400mm effective travel, come with ball screw and Nema17 stepper motor. 5、Precision manufacturing, high positioning accuracy, stable performance. Specification Features: Motor driven guide rail achieves high precision linear motion. Generally used in linear reciprocating motion, suitable for automation industries. Made of high quality aluminum alloy material, wear resistant, durable with long lifespan. 400mm effective travel, come with ball screw and Nema17 stepper motor. Precision manufacturing, high positioning accuracy, stable performance. Specification: Material: Aluminum alloy Effective Stroke: 400mm Ball Screw Model: 1204/1605/1610 (Optional) Ball Screw Diameter: 12mm, 16mm, 16mm Package List: 1 x Sliding Table 1 x Nema17 Stepper Motor Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List