Specifications: 1) Roller length: 30cm 2) Roller diameter: 32mm 3) Load capacity: 45kg 4) Material: A3 armor plate, Q195 steel tube Inner packing: 1pc/color box Outer packing: 6color box/ carton Carton dimensions: 64 x 30 x 21cm N.W.: 3kg G.W.: 3.5kg Conveyance: Qty/20' FCL: 4,200pcs Qty/40' FCL: 8,500pcs