1. Material: aluminum 6061-T6 2. Finish: clear anodized 3. Measurment:136x38x9cm 4. N/W:4.5 kGS We are the Aluminum fabrication company.Our production line includes sawing (cutting), punching, bending milling, lathing, drilling, tapping, welding processing, riveting and polishing machines.We can produce what you want. 4 step aluminum boat folding ladder(offer to Asia Sourcing corp)