1,300KG Load Bearing: Heavy duty appliance rollers have a load bearing capacity of 300KG and are widely used in washing machines, refrigerators, closets, cabinets or other heavy furniture. 2,Universal Wheel Base: Refrigerator appliance rollers adopts an upgraded universal wheel base, which can move heavy objects forward and backward, left and right, and it is more convenient and quick to push back and forth. 3,24 Wheels: Equipped with 24 upgraded small wheels, moving more smoothly, the mobile base can easily move heavy furniture and household appliances, which helps to clean corner places. 4,Detachable Portable: When the furniture washing machine dolly is not in use, it can be stored in any corner of the room, easy to disassemble and save storage space. 5,Easy to Use: The heavy duty extensible appliance Roller is easy to use, does not require complicated installation steps or tools, and can be installed and placed under the appliance for use. 2 x Base2 x Non Slip Mat Item Type: Heavy Duty Extensible Appliance RollerMaterial: Iron,Nylon,SiliconeShortest:Approx. 45cm / 17.7inLongest:Approx. 70cm / 27.6inWidth:Approx. 5cm / 2.0inHeight:Approx. 4cm / 1.6inWeight: 300kgPulley: Double Row 24 WheelsCompatible: Universal for All Machines and Furniture with 45 to 70cm BaseWeight:Approx. 1419g / 50.1oz Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.