-- 4-legged: the metal 4 legs are finished in a standard powder coat colour. Chrome as an option. -- Sled: the metal is finished in a standard powder coat colour. Chrome as an option. -- Cross base non swiveling: base is finished in a standard Artifort powder coat colour. Polished aluminum with chrome tube as an option. -- Swiveling cross base with return mechanism: the metal is finished in a standard powder coat colour. Polished aluminum with chrome tube as an option.