GH-DG003

Parameter：

1. This item has three types: 1 step, 2 steps and 3 steps;

2. Size: 1 step:   1.2m, or you also can  choose your own size.

2 steps: 1.15m-2m, or you also can  choose your own size.

3 steps: 1.9m-3m, or you also can  choose your own size.

3. Material : Firberglas, Aluminum