HEAVY-DUTY CASTERS:Furniture casters have metal double axles, are sturdy and durable, and can remain undeformed and move stably under the strong pressure of heavy furniture and industry.NOISE-FREE AND MUTE:The surface of the castersswivel is made of a flexible material so as not to damage the parquet floors.Quiet, good rubber grip without marking the floor and sturdy.360 DEGREE ROTATION:Casters have a 360 degree rotating design, The wheels turn and swivel easily, which makes every turn much easier and supports the weight admirably well. WIDE VARIETY OF USE:These TPE swivel casters are ideal for a wide variety of uses, from DIY to industrial applications, homes, schools, garages, shops, trolleys and hospitals,Perfect casters for thesmall equipment and small space furniture including ottoman, coffee table, plant stands, shelves, shoe bins, toy bins, shopping carts, workbench, under bed storage.GALVANIZED METAL FRAME:The sturdy roller bracket is galvanized to improve the brightness and appearance of the surface, waterproof and oil-proof, and not easy to rust.The 4 sets of heavy duty casters come with a screwdriver, 16 screws, which makes the assembly process much easier and speeds up installation. 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. Sold by-Minnanxin