The Desky 3-inch rubber caster wheels provide smooth, silent, and effortless mobility for office chairs. Built with high-quality steel, precise ball bearings, and durable polyurethane, they support up to 650lbs (295kg). These wheels protect floors from scratches and damage, gliding seamlessly on wood, tile, carpet, and more. Enjoy superior durability, noise reduction, and universal compatibility for a hassle-free experience.