Material: Aluminium Alloy: No.6063T1; Plastic: PP, Wheel: 4' ' TPR bearing wheels. Max Loading: Plateform loading: 60KG; Each Step loading: 150KG Packaging: 1PC/ CTN ( Wheels are disassembled to pack with the body, and then put in to a carton box.) GW/ NW: 7.5KG/ 6.3KG Qty/ Container: 700PCS/ 20' container; 1450PCS/ 40' container; 1620PCS/ 40' HQ Body Size: Open Ladder Size: L36× W81.6× H114.5CM Open Hand Truck Size: L36× W45× H125CM Folded Size: L36× W16.5× H125CM