Gear Pullers can take the top of the device easily and can take out gear from recessed cavity with on damaging. They include a number of films fixed metal sheet, top pickup device and the buckle. Securing the metal plate embedded in the gear cavity, a retaining ring embedded in the cavities between the gear and the metal sheet, a top pickup device acrosome acrosome securing the metal plate is placed cavity in the fixed metal piece external button again set a buckle so that the metal sheet can be firmly fixed gear and surrounded acrosome, take the stud on the device by rotating the top stud to a downward pressure on the gear shaft, the entire device is subjected to an upward reaction force upward from the top, you can easily remove the gears.