Material: Made of good material. It has a good fit, would not break or crack easily during use. Good performance. It is a good replacement for the old or broken one, FUNCTION: Electric step motor only. The single, double or triple motorized Step automatically expands and retracts when the door is opened or closed. This feature can be switched off to allow steps to remain extended while camping. Part Number:300-1406 300-1457 266149 373566 Fitment:for RV Motorhome Toyhauler Colour:black+silver Material:metal+plastic Package Contents: 1 x lectric Entry Step Motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.