Feature:1. 300KG Load Bearing: Made of high quality thick iron material, enough to withstand items up to 300KG.2. Widely Used: Widely used in portable washing machines, refrigerators, closets, cabinets or other furniture heavy objects.3. Easy To Use: Easy to disassemble, retractable base, with a pry bar to easily lift heavy objects, making it more convenient and quick to use.4. Double Row 24 Wheels: Equipped with 24 upgraded small wheels, moving more smoothly. Heavy furniture and household appliances can be moved easily.5. Easy Installation: Easy to install, no complicated installation steps or tools are required. Press the brakes on both ends to keep things steady when not in use.Specification:Item Type: Heavy Duty Extendable 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. 1652g / 58.3oz.Package List:2 x Base2 x Nonslip Mat1 x Pry BarNote:After moving the items, please make sure that the roller brakes are fixed to prevent the machine from shaking back and forth after it is turned on.