115 volt single phase instantly reversing HP motorOver 1250 lbs. of vertical line pull at 9 feet per minuteLarge grooved drum with a 4 diameterHigh speed worm gear supported for both radial and thrust loadsPositive locking - double reduction worm gear drive provides a 200:1 reduction rateSealed gear case provides a lifetime of maintenance-free operationIncludes Deluxe Key Switch