A stainless steel adult model with ``Superflex`` binaural tubing assembly, color coordinated trimmings and applicable for 2 persons doing diagnostic proceedings simultaneously.

Identical features as CK-S747 only with ``duracote`` solid color coodinated chestpiece, binaural tubing assembly and fit-ups.

Same features as CK-S747P only with gold plated metal parts and ``Ultraflex`` lite binaural tubing assembly.

Identical features as CK-S747 only with ``duracote`` solid color coodinated chestpiece, binaural tubing assembly and fit-ups.

Same features as CK-S747P only with gold plated metal parts and ``Ultraflex`` lite binaural tubing assembly.

Same features as CK-747CP only with chrome plated chestpiece and binaural.

Same features as CK-747CP only with chrome plated chestpiece and binaural.

Same features as CK-S748 only with gold plated chestpiece and binaural.

Same features as CK-S748 only with gold plated chestpiece and binaural.