Medallion Pools WG1442-4RRC 4' Reverse-Radius Corner for 42" Plain Panel Wall 14ga Galvanized Steel - This Reverse-Radius Corner is for use with a Medallion Pools 42" Plain Wall Panel. It is constructed of durable 14-gauge galvanized steel. Steel is an ideal choice for inground pools due to its natural malleability. It is able to handle changing conditions while remaining strong and intact.