Metal Plate:Made from high quality thick metal steel pipe material,better strength and toughness than others.Metal plate is used for super load. Can withstand 300 kg (661 lb). 24 wheel upgrade: More contact surfaces, with non-slip pads, stable non-slip material, with non-slip brake pads, with lock function , easy braking and locking. You can easily lock the bracket without moving. Size adjustment: Two-row, one-piece design can be adjusted without having to consider the width, free adjustment of the adjustable length of 45 to 70 cm, universally applicable for different models. Our fixed height is 4cm to ensure the stability of the washing machine. Easy to assemble: The washing machine stand does not require complicated installation steps or tools. Just place 2 brackets under the corners of refrigerators, washing machines, dishwashers, dryers or other household appliances and furniture, then gently Step on the brakes to secure the hooks.