Material: PU (Wheels) and Steel (Pin) 2.5 inch Premium PU Castor Wheels: Load Capacity: Supports up to 250kg Key Features: Thickened Brake - Allows for easy movement and secure locking to keep items steady Strong Bearing Capacity - Ensures stability and reliability under heavy loads Two-Wheel Design - High-grade nylon construction provides smooth rolling and enhanced durability Waterproof Casters - Protect floors and extend wheel lifespan Silent Plastic Ring Circlip - Operates quietly, suitable for noise-sensitive environments 360° Rotation - Offers flexibility and maneuverability in any direction 3 inch Premium PU Castor Wheels: Load Capacity: Supports up to 200kg, perfect for heavy-duty applications Key Features: Iron Brake - Enables effortless mobility and secure locking Silent and Wear-Resistant - Glides quietly to protect floors from damage Strong Bearing Capacity - Ensures reliable performance under heavy loads High-Quality Electrophoresis Material - Provides corrosion resistance and a sleek finish Silent Plastic Ring Circlip - Offers quiet operation, ideal for noise-sensitive environments 360° Rotation - Enables smooth maneuverability in all directions for enhanced usability