Adjustable Furniture Dolly: Double-row design, simple structure and no installation required. The length can be easily extended from 44.5 to 72 cm, giving you enough freedom to attach this dolly to furniture of different sizes, such as refrigerator, washing machine, dryer, etc. Upgraded Movable Wheels: Each set of movable wheels is equipped with 24 polypropylene casters, which provides increased contact area between the moving wheels and the floor, so you need to use little force to move the furniture smoothly Upgraded Wheels: Each base is equipped with 24 polypropylene casters that provide increased contact area between the base and the floor, allowing you to use less force to move the furniture smoothly. Non-slip Washing Machine Stand: Each washing machine stand is equipped with two non-slip foam pads that provide better support and protection for your furniture. One end of the washing machine stand with brake to reduce and prevent the washing machine from washing machine from