Function: 1. Load capacity 300KG: The rollers for heavy duty equipment have a load capacity of 300KG and are widely used in washing machines, refrigerators, cabinets, cabinets or other heavy furniture. 2. Double Row 24 Wheels: Equipped with 24 improved small wheels, moving more smoothly, the mobile base can easily carry heavy furniture and household appliances, which helps to clean corner places. 3. Sturdy material: refrigerator appliance rollers are made of iron, nylon, silicone, high hardness, very strong, rust resistant, wear resistant, durable. 4. Easy to install: The durable expandable roller is easy to use, requires no complicated installation steps or tools, and can be installed and placed under the device for use. 5. Removable Portable: When the furniture washing machine trolley is not in use, it can be stored in any corner of the room, it is easy to disassemble and save storage space. Specification: Item Type: Heavy Duty Extensible Appliance Roller Material: iron, nylon, silicone Shortest: OK. 45 cm / 17,7 inch The longest: approx. 70 cm / 27,6 inch Width: approx. 5 cm / 2,0 inches Height: approx. 4 cm / 1,6 inch Weight: 300 kg Pulley: double-row 24 wheels Compatible: universal for all machines and furniture with a base from 45 to 70 cm Weight: approx. 1289 g / 45,5 oz List of packages: 2 x Base 2 x Anti-slip mat