The Deluxe Professional Cardiology Stethoscope features an ergonomic and unique design. The zinc alloy chestpiece combined with the quality tube system provides excellent sound conduction, which in turn offers outstanding acoustics. Other features include comfortable and flexible binaural’s, and durable soft silicone ear tips. • Black tubing • Spare ear tips (screw) • Foam lined box • 3 year guarantee • Latex free