SpecialCover tube stiffeners provide smooth extension and increase load supportSpecialSpecialSpecificationsSpecificationsValueAnti-rotationNoBrakeIntegral Holding BrakeGear Reduction20:1IP RatingIP65Manual OverrideNoMaterialCopper; Steel; Zinc; Aluminum; PlasticMotor ControlNoneNominal Stroke18 inProtection, End-of-strokeNoneProtection, OverloadNoneScrew TypeBallVoltage24 VdcWeight18.5 lbDimensionsDimensionValue[A]30.37 in[S]18 inPerformancePerformanceValueDuty Cyle25 %Load, Dynamic1000 lbfRestraining Torque100 in-lbsTravel Rate @ Full Load0.25 in/s