4 octave C-C Deagan No. 882, Klyposerus 1 5/8" x 7/8" bars. (881/882 conversion extension). Klyposerus was advertised as Deagan's superior wood (bright extremely durable). Nickel-plated brass resonators finished in silver lacquer, refinished oak keybeds, updated frame with wheels finished in silver lacquer, large castors. Wonderful sounding instrument.