Save your energy: by fitting the wheels, you can move your furniture easily and effortlessly. Easy to install: mobile castors can be used in homes, schools, garages, shops, trolleys and hospitals. Heavy-duty castors can be used to move footstools, coffee tables, plant stands, etc. Our castors are suitable for all floor types: laminate, wood, tile, glass, carpet, concrete, marble, etc. Package contents: 2 wheels with brakes + 2 wheels without brakes, 16 screws Wheel diameter: 51mm, Mounting height: 70mm, Flat size: 4747mm, Thickness: 1.2mm, Hole distance between flats: 3434mm, Single wheel loadable weight: 30KG