Lubriplate Garage Door Opener grease 1.75oz Garage Door Opener Screw Drive Lubricant AMUSTfor all Genie Screw Drive and Trac Drive garage door openers. Keeps opener running efficiently and quiets chatter. This lubricant, with yearly application, prolongs the life of the worm and drive gears in chain drive door openers. Provides smooth and quiet operation. 1-3/4oz. tube.