Black 22 * Lightweight Aluminum Chestpiece * Color Coordinated With Tubing. * The Labtron Lightweight Single Head Stethoscope Is Ideal For General Assessment And Blood Pressure Measurement. The Slim Lightweight Anodized Aluminum Chestpiece Easily Slides Beneath A Blood Pressure Cuff. Labtron Stethoscope Headsets Are Anatomically Adjustable To Ensure A Comfortable Acoustically Sealed Aural Fit. Features: Complete Unit Weighs Only 2.5 Oz (70g) 1 (4.5cm) Diameter Diaphragm With Non-chill Diaphragm Ring Adjustable Anodized Aluminum Binaurals Flexible Pvc Tubing 22 (56.5cm) Tubing; 31.5 (80cm) Total Length Full Color Retail Packaging Includes Stethoscope With Diaphragm Only Chestpiece Adjustable Binaurals And (1) Set Of White Firm Threaded Pvc Eartips This Product Is Not Made With Natural Rubber Latex One (1) Year Limited Warranty