・Chestpiece: Diaphragm,Single-Head Type (No.NL12C) : Aluminum ・Binaural :Brass Binaural(No.B-03) ・Y-Tube : P.V.C.Y-Tube(No.Y-05) :Grey or Black Color ・Weight :110 g
・Chestpiece :Bell & Diaphragm, Two-Way Type (No.801C): Aluminum ・Binaural: Brass Binaural(No.B-03) ・Y-Tube : P.V.C.Y-Tube(No.Y-05) : Grey or Black Color ・Weight :130 g