Lifelong Wheels stem chair casters protect floors from scratches and marks on any surface, including hardwood, tile, laminate, carpet, mats, concrete, stone, and vinyl. Enjoy effortless and whisper-quiet rolling. High grade steel, precision ball bearings, and durable polyurethane make these office chair wheels heavy duty and long lasting. Perfect for computer desk chairs, conference rooms, drafting, cubicle, reception, and executives. Compatible with Herman Miller Aeron, Humanscale Freedom, dxracer gaming, Hon, Gaiam, Serta, Lane, Ergonomic, Thomasville, Angelo, Brylane, Broyhill, Eames, Alera, Eames, Staples, and more.