Cal Crystal solid brass filigreed backplates are for the german-cut crystal series knobs. The 24BP series and 760BP series backplates are floral in design, while the 32BP series backplate is more round.
Each is available in five finishes to coordinate with the base colors of the crystal knobs: Antique Brass, Polished Chrome, Polished Brass, Polished Nickel and Satin Nickel.