castors M12×60mm Thread Stem Heavy Duty Casters With Brake 3 Inch/4 Inch 400KG Industrial Universal Swivel Trolley Transport Casters Scaffold Wheels Double Bearing 4 Packs -screw

High quality: high quality galvanized steel plate, anti-rust, anti-corrosion, wear-resistant polyurethane PU material, 360 degree rotation, smooth running, no noise and scratches Dual Locking - Heavy Duty Caster Wheels Rotate 360 degrees. Smooth & Silent & Sturdy. The total locking brake locks both the wheel and the swivel simultaneously, Ball bearing and dual locking bring a max loading capacity and safety. Flexibility and safety - caster wheels provide the flexibility of a rubber wheel that combines the toughness and durability of a metal wheel. Double bearing, stronger bearing capacity, 80Kg per wheel of 3-inch casters, 95kg per wheel of 4-inch casters Universal Use- The wheels can be used for a multitude of applications Including: Flight Cases, Instrument Cases, Display / Exhibition Equipment, Dollies, Tool Boxes, Light Machinery, Equipment Stands, Mobile Workstations, Speakers, Cabinets, Stands, Amps, Electrical Enclosures, Furniture etc Applicable floor: hardwood floor, tile, carpet, marble floor, smooth concrete floor, also suitable for rough cement floor, asphalt road, gravel road, etc