HEAVY DUTY CAPACITY: Set of 4 large industrial-grade caster wheels with a total load capacity of 2200 lbs, perfect for heavy-duty applications and industrial use DOUBLE BRAKES SYSTEM: Features safe brake device that locks both wheel movement and swivel rotation for increase stability when stationary VERSATILE MOUNTING: 4-inch large plate mount design allows easy installation on tables, chairs, carts, dolly, trucks, cabinets, workbenches, sofas, beds, furniture, providing trusted mobility solutions EASY INSTALLATION: Fix it to the metal plate with bolts and nuts, or to the wood with screws. But since we cannot determine the actual installation method, no screws are provided as a set NOTE: During transportation, the black paint may get slightly scratched due to bumps Transform your furniture and equipment mobility with these heavy-duty UBZOPWA 4-inch caster wheels. This set of four industrial-grade plate casters features a robust 2,200-pound total load capacity, making them perfect for demanding applications. Each wheel comes equipped with dual locking brakes for secure positioning when stationary. The polyurethane construction offers smooth rolling performance while protecting your floors. These swivel casters are ideal for carts, workbenches, and various furniture applications, providing reliable movement and stability. The plate mount design ensures sturdy attachment to your equipment, while the black finish maintains a professional appearance. The set includes all four casters with mounting plates, ready for installation. These versatile wheels measure 4 inches in diameter and are engineered for industrial-grade performance. Whether you're outfitting a workshop cart or upgrading furniture mobility, these casters deliver the durability and functionality needed for heavy-duty applications.