SOCKET JENIE LVSG-625 FOR RAISING & LOWERING FOLD DOWN CAMPER ROOFS THAT USE A 7/8” SQUARE CRANK THAT FITS INTO A SQUARE RECEIVER This socket requires a ½” drill chuck, and must be used with a low RPM/ high torque drill motor. A general drill would be: 110V drill should not be less than 5 amp, while a battery powered drill should be 24V. Due to the wide variety of roof system designs used for fold down camper vehicles, the general recommendations may not be required for your specific vehicle. It is recommended that the 110V or cordless drill have the extra front mounted handle to control the torque required to raise or lower the roof. Note that if your vehicle has screw-down stabilizer jacks this socket has designed as a multi-purpose tool. Use your drill to also quickly raise or lower the jacks into position. Caution::::When using the drill to raise the jacks, do not permit the jack to snap shut, it may break the socket ends or cause serious injury to the operator. Known brands that use the GOSHEN lift system: Viking and Coachmen units built prior to 2005, Dutchmen built in 2000, and Starcraft and Flagstaff units built after 2004.