SpecialHybrid Acme style nut and screw design, no brake needed.SpecialSpecialSpecificationsSpecificationsValueAnti-rotationNoBrakeno (self Locking)MaterialCopper; Steel; Zinc; Aluminum; PlasticScrew TypeAcmeTemperature Max150 °FTemperature Min-20 °FUPC Number786582957610Voltage12 VdcWeight18 lbDimensionsDimensionValue[A]33.32 in[S]24 inPerformancePerformanceValueDuty Cyle25 %Load, Static, Max3000 lbf