Packing: Pitched kraft paper, keeping well package and damp-proof
Thickness of material: 4.5-5.0mm
Features:
1. Creative design, Three functions are design into one ladder, it can be used as single ladder, a-shape ladder and extension ladder.
2. Advanced technology of squeeze riveting, keeping good connection between rungs and rails
3. Hold stem belt, hinge and balance beam keep better stability
4. In compliance with GB17620-2008 and SGS