Features: 1) Material: steel 2) Steel: 30 x 20 x 1mm + 20 x 20 x 1mm 3) Step: 300 x 200 x 0.9mm 4) Weight: 4.2kg 5) Three-step and four-step ladders like this type available Outer packing: 4pcs/ctn Carton dimensions: 91 x 18 x 49cm N.W.: 18.50kg G.W.: 20kg