360 Swivel Casters with 4 Brakes: The supporting casters include 4 wheels, each equipped with an individual brake for easy control. 360-degree rotation allows smooth maneuvering and movement in any direction. When not in use, the heavy-duty casters engage the brake to lock both position and steering, enabling safe and stable furniture handling and placement. Sturdy and Secure Heavy-Duty Casters: These durable casters are suitable for a variety of applications, including mobile furniture, dressers, refrigerators, air conditioners, tables, cribs, ottomans, coffee tables, plant stands, and more. Available in multiple sizes: 25 mm diameter with a maximum load of 44 kg (11 kg per wheel), 32 mm diameter with a maximum load of 64 kg (16 kg per wheel), and 55 mm diameter with a maximum load of 108 kg (27 kg per wheel). Quiet and Durable Caster Set: Made with polyurethane (PU) rubber, these casters combine the resilience of rubber with the strength of metal. Featuring a thickened base and robust construction, they offer excellent wear resistance, shock absorption, quiet operation, and strong corrosion resistance for both indoor and outdoor use. Ideal for homes, schools, garages, shops, vans, and hospitals. Floor-Friendly Design: The soft, durable rubber tread prevents scuff marks on hardwood floors and protects carpets from damage. These casters perform smoothly on various surfaces, including wood, tile, carpet, and concrete. Help protect your furniture and flooring by upgrading to these reliable heavy-duty casters for easy movement of heavy items. Easy to Install: Simply attach the casters to your furniture using the included mounting plate and screws. No special tools required. Package includes: 4 swivel casters with brakes, 20 screws, and 1 screwdriver (9 cm).