Pigeon Mountain Industries - A Harken winch mounted to the TerrAdaptor makes for some really easy and smooth raises and lowers, especially when you add a battery powered right angle drill. | Facebook
CMC HARKEN GAS POWERSEAT® ASCENDER - Rescue Response Gear
PMI Rope | Harken® Powerseat (Gas) for rescuers and climbers - buy online - PMI Rope
Electric winches: take the strain out of grinding - Practical Boat Owner