... 3.Improved limit part 4.With manual, steel adaptor Roller Door Tubular Motor, TB92-140M1.92mm tube, 140Nm2.Strong lifting capacity ... 3.Improved limit part, a whole one, not two parts then connected with screws. 4.With manual, nice appearance ... carton with foam, 580*240*190mm/ctn Application: Garage door, Roller Shutter Door AC CE quiet manual roller door tubular motor (TB92-140M)