Heavy-Duty Support: This fridge stand mobile base is built to last with a full steel frame and reinforced feet, supporting up to 1200 lbs! Whether you're moving heavy appliances or simply need to keep them stable, this dolly helps you save time and effort while keeping everything in place. Smooth Movement & Locking: Move your appliances effortlessly with the 4 swivel dual wheels that glide smoothly on any surface without scratching the floor. And when you need the washing machine dolly to stay still, the locking feature ensures everything stays secure while your washing machine is in use. Adjustable Design: Need flexibility? This portable washer dolly adjusts from 23 to 36.6 inches, making it ideal for various appliances or furniture sizes