1. Swivel Casters: These casters feature a rocksolid construction, made from quality thickened steel housing and a reinforced plate. Each caster plate is equipped with dual support bearings. The heavyduty load capacity reaches up to 59 kg for a set of 4 swivel casters, with each wheel capable of carrying 15 kg. 2. Safety Brake: The casters can rotate 360 degrees, and each caster has an independent brake that simultaneously locks both the wheel and the swivel mechanism. When the brake is engaged, the device remains firmly in place, effectively preventing movement and avoiding potential injuries. 3. **Smooth and NoMark**: The wheels are made of TPR material, offering wear resistance, vibration reduction, noise operation, and shock absorption. They provide a smooth, quiet rolling experience without leaving marks on various types of flooring, especially on uneven surfaces. 4. **Wide Range of Applications**: Each pack of swivel casters includes 4 casters. They can be easily installed on carts, DIY furniture, workbenches, trolleys, cabinets, and furniture for effortless mobility.