There is a Worm Geared Motor offered by us that is a combination by worm gearbox plus DC motor, the worm gearbox is assembled of two main structures: worm meshes with a worm gear, it uses the screw drive principle in a simple machine, this structure is similar to other gear reducers (worm gearboxes), it can reduce the speed or generate a large torque to fit the different use. The Worm Geared Motor is made available by us that is very effective.