All the features of the standard SpragueLite™ stethoscope with a Clinical Series' performance! The same 5-in-1 Sprague design for use with adult, pediatric and infant patients. Features an upgraded stainless steel drum that is fully compatible with all Sprague parts! Incredibly lightweight design. Aluminum binaurals with an internal binaural spring and sound conductor. Also features our exclusive eartip bushings for the perfect fit. Lifetime with Free Lifetime Replacement Parts.