MEMKEY 4 Pack 3' Locking Swivel Caster with Threaded Shaft, Non Marking Swivel Polyurethane Caster Wheel and Brake for Cart, Furniture, Workbench (Threaded

1.Material: Polyester and steel threaded shaft swivel casters, non-marking polyurethane. Double base ball, quiet and noiseless, suitable for all types of floors, will not disturb others when moving. 2.Dimensions: Total Height: 13.3cm/5.2inch, Wheel Diameter: 7.5cm/3inch, Wheel Thickness: 2.1cm/0.83inch, M12 Thread Size: 1.2*3cm/0.47*1.2inch(D*H). 3.Brake Design: The brake locks the wheel and swivel bearing at the same time, which is essential for safety. The body made of steel structures is highly durable and stain resistant. 4.360° Rotation: The 360° rotating threaded rod allows connecting devices to be rotated and is ideal for transporting lightweight furniture and displays quietly and safely. 5. Application: Perfect casters for appliances and furniture including coffee tables, seats, bookcases, plant stands, bookcases, shoe baskets, toy baskets, shopping baskets, workbenches, carts, trolleys and other heavy items