Adjustable Size: The appliance dolly can be extended from 44.5 cm to 71 cm to fit various furniture sizes. A knob on the bottom of the dolly allows you to adjust the length to hold items as needed. Durable and Sturdy: The furniture dolly features a thick, powder-coated steel frame for exceptional durability. It can support up to 300 kg and is suitable for heavy furniture and appliances such as washing machines, dryers, refrigerators, sofas, wardrobes, and more. Upgraded Wheels: Each dolly set is equipped with 24 wheels, increasing the contact area between the wheels and the floor. This makes moving items easier and smoother. Brake Bases: The dolly comes with a non-slip mat to keep furniture stable during movement. One end of the dolly has a lockable brake to enhance stability and safety when not in use. Daily Use: This mobile washing machine base is 4 cm high, which helps keep the bottom of furniture dry and ventilated to prevent corrosion, extending the lifespan of your furniture. It is also easy to move, making daily cleaning convenient and efficient.