Features: Brand new and high quality Can be stored in any corner of room when not in use for easy removal. Each set of heavy-duty appliance rollers is made of iron plate, spray treatments and equipped with high-quality polypropylene wheels, which has large stress area and strong bearing capacity. Effective to decrease and prevent the washing machine from slipping or shaking, upgrading the washing machine stand’s stability and security,not only protect the floor, but prevented corrosion and rust of furniture. Suitable for washing machine, refrigerator, dishwasher, dryer, sofa and other heavy electrical appliances and furniture. This furniture dolly is telescopic base design, which can be adjusted vertically and horizontally according to the furniture size. The adjustable length can be easily extended from 45cm to 70cm which can heavy objects of different sizes, like washing machine, refrigerator, washer and dryer, cabinet, etc. Specifications: Material:Iron Length:Approx.45-70cm/17.71-27.56inches Package Includes: 1 Set Washing Machine Base note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.