Function: 1. 300 kg load capacity: heavy-duty equipment rollers have a load capacity of 300 kg and are widely used in washing machines, refrigerators, cabinets, cabinets or other heavy furniture. 2. Universal wheel base: Refrigerator rollers adopt improved universal wheel base, which can move heavy objects forward and backward, left and right, moreover, it is more convenient and faster to push back and forth. 3. 24 wheels: Equipped with 24 upgraded small wheels, moving more smoothly, the mobile base can easily carry heavy furniture and household appliances, which helps to clean corner places. 4. Detachable portable: when the furniture laundry cart is not in use, it can be stored in any corner of the room, it is easy to disassemble and save storage space. 5. Easy to use: The durable, extendable roller of the device is easy to use, requires no complicated installation steps or tools, and can be installed and placed under the device for use. 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 inch 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. 1419g / 50,1 oz List of packages: 2 x base 2 x Anti-slip mat Note: After moving the items, make sure the roller brakes are fixed to prevent the machine from twitching back and forth when turned on. 1. Use the pry bar to pick up your device or furniture.2. Adjust the length of the pulley base and tighten the nut to adjust the length.3. Place it on the corner supporting electrical appliances or furniture to make sure it won’t shake.4 When electrical appliances or furniture need to be moved, make sure that the disc brakes are turned on and the brakes need to be repaired when moved.