Features:1. High quality aluminum alloy material, beautiful appearance and reasonable design.2. High sliding table stiffness and low thermal deformation3. It is the ideal foundation for combined machine tools and automatic lines.4. Generally used in linear reciprocating applications, suitable for the automation industry5. The effective stroke is 200mm, available in three model screw rodSpecification:Condition: 100% Brand newMaterial: Aluminum alloyEffective Stroke: Approx. 200mm / 7.87inScrew Rod Diameter: Approx. 12mm / 0.47in Approx. 16mm /0.63in Approx. 16mm / 0.63inTurn the Motor Once(mm): Approx. 4mm / 0.16in Approx. 5mm / 0.2in Approx. 10mm / 0.39inMotor: 57 MotorOptional Style: Effective Stroke 200mm 1204 Screw Rod, Effective Stroke 200mm 1605 Screw Rod, Effective Stroke 200mm 1610 Screw RodPackage List:1 x Guide Rail(with 57 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..