General description Upgrade your office chair with our Office Chair Silicone Wheel Set (5 Pack), designed to work on all floor types without causing damage. Unlike traditional chair casters made from cheap materials, our wheels are crafted from soft polyurethane, ensuring no scratches or marks on your floors. With a heavy-duty design that supports up to 650 kg, these wheels provide a smooth and quiet ride, allowing you to stay focused and relaxed while working. Say goodbye to old plastic mats and enjoy enhanced mobility in your workspace. Technical specifications Wheel size: 2.5 inches Clamping diameter: 11 mm Stem dimensions: 11 mm diameter, 20 mm length Load capacity: up to 650 kg Material: High Quality Steel, Polyurethane Compatibility and accessories Fits 95% of all office chairs Compatible brands include: Herman Miller Aeron, Steelcase, dxracer, Humanscale Freedom, Lazyboy Serta, Hon, Boss, etc. Each wheel features a stem with a locking ring for easy attachment without tools