Piano Gliders make moving heavy pianos, roll containers, and wheeled furniture effortless and safe, with no assembly required—just slide them under the wheels. Designed for universal compatibility, they work on wood, carpet, stone, and flexible surfaces while protecting metal and brass wheels from rust. Built with a smooth Teflon surface and sturdy plastic housing, they support up to 500 kg. Each set includes 4 durable gliders with a versatile, multi-tiered design for a secure fit.