1. 【Heavy-Duty Load Capacity for All Scenarios】 Our industrial caster wheels are built for maximum durability, with multiple size options (4/5/6 inch) to meet your needs. The 4-inch set supports 1320LBS total load, 5-inch set supports 2200LBS, and 6-inch set supports 2205LBS, perfect for warehouse carts, workbenches, trolleys, heavy furniture, and moving equipment. Thickened steel brackets and premium rubber/PU wheels ensure stable performance for heavy loads. 2. 【360° Swivel & Dual Locking Brakes for Safety】 Each caster features a smooth 360° swivel design for easy maneuvering, plus a reliable dual braking system that locks both the wheel and swivel direction simultaneously. The secure brake keeps your cart, trolley, or workbench firmly in place, preventing accidental movement and ensuring safety in industrial, workshop, and home environments. 3. 【Quiet, Non-Marking Wheels for All Surfaces】 Made with high-quality rubber/PU wheels, our casters roll quietly without scratching or damaging hardwood, tile, concrete, or laminate floors. The noise-reducing design is ideal for both commercial warehouses and residential use, protecting your floors while keeping your workspace quiet. 4. 【Rugged Construction & Long-Lasting Durability】 Built with rust-resistant, corrosion-proof steel brackets and reinforced wheel hubs, these heavy-duty casters are engineered to withstand daily wear and tear, impact, and harsh working conditions. Precision bearings and thickened steel plates ensure a long service life, outperforming standard casters for years of reliable use. 5. 【Easy Installation & Worry-Free After-Sales Support】 Each set of 4 casters comes with a standard mounting hole pattern for quick, hassle-free installation on most carts, trolleys, and furniture. We stand behind our products with a 1-year warranty and 30-day money-back guarantee. Our friendly customer service team is ready to assist you with any issues, ensuring a risk-free purchase. Furniture and Workbench(2PCS Fixed Caster Wheels 2PCS Locking Swivel Casters)