Registeel is a large robotic Pokémon. Most of Registeel's body is spherical and gray while the middle of its face has the appearance of being exposed as it shows black "skin" and is surrounded by raised metal. It’s lower half is disc-like in shape and has two cylindrical legs/stumps. Its face consists of seven red dots in a hexagonal formation, and it has black arms with three fingers each that are connected to its upper half by gray hemispherical shoulders.