The Pro-Series Man-Rated Winch is a multi-function winch designed for use in a wide variety of confined space,work positioning,rescue,and fall protection applications. This winch may also be used in various material handling applications within the prescribed working load limits. The Pro-3 Series winch has a lifeline capacity of up to 300 feet of 3/16? (5mm) wire rope. This winch features a unique input hub design which allows for installation of either a manual crank handle or an optional Power Drive system allowing the winch to be driven using various styles of electric hand drill.