Ladder Code:SL-M1 N/W:10 Kg G/W:11.5 Kg Type of Steel Tube: Q75 Amount of Step: 3 Steps Material: Steel Tube + PE Bottom Surface:Plastic (PE) Profile of Steel Tube:25*1mm Opening Size:101cm*43cm*66cm Folding Size:105cm*45cm*7.6cm Packing Size:106.5*46.3*8.6 CM Thickness of Steel Tube: 1.0mm Hand Truck Mode Max Load:68KGS Step ladder Mode Max Load:180kgs Furniture Dolly Mode Max Load:360kgs Four Wheels Cart Mode Max Load:360kgs Volume:70Pcs/20FT,1368 Pcs/40GP,1617 Pcs/40HQ