SpecialHybrid Acme style nut and screw design, no brake needed.SpecialSpecialSpecificationsSpecificationsValueAnti-rotationNoBrakeIntegral Holding BrakeMaterialCopper; Steel; Zinc; Aluminum; PlasticScrew TypeBallTemperature Max150 °FTemperature Min-20 °FUPC Number889208324558Voltage115 VacWeight12 lbDimensionsDimensionValue[A]13.89 in[S]6 inPerformancePerformanceValueDuty Cyle50 %Load, Dynamic1000 lbfLoad, Static, Max3000 lbf