SpecialHybrid Acme style nut and screw design, no brake needed.SpecialSpecialSpecificationsSpecificationsValueAnti-rotationNoBrakeIntegral Holding BrakeMaterialCopper; Steel; Zinc; Aluminum; PlasticScrew TypeBallTemperature Max150 °FTemperature Min-20 °FUPC Number884107536064Voltage115 VacWeight22 lbDimensionsDimensionValue[A]25.89 in[S]18 inPerformancePerformanceValueDuty Cyle50 %Load, Dynamic1500 lbfLoad, Static, Max3000 lbf