nylon gear racks for sliding gates. dimension : 20x27x1018mm steel bar inside : 10x10x1000mm. module 6 or module 4 .

 Nylong gear racks for sliding gate door .

dimension 20x27x1018.

steel bar inside dimension : 10x10x1000mm.

module: 4 of module : 6 .

nylon gear racks for door opener