KS-220A Dual Head aluminum alloy stethoscopeSize of chest piece cover: D1 47MM, D2 (clock cover) 30MM; Height of chest piece : H 20MM; Length of ear piece plus rubber tube: L 760MM.MEAS: 52X41X28mQuantity: 100PCS/CTNN/G Weight: 11.5/13.5KGSPRODUCT DESCRIPTIONMade from aluminum alloy, this line of stethoscope is designed to be used for auscultation of adults.This chest piece is processed with imported special aluminum alloy featuring bright colors and high durability after anodic oxidation.Y type conducting tube is manufactured in a single dip molding process with imported PVC, which features resistance to high temperature, ageing and breakage, bright surface as well as exceptional sound conduction.Acoustically designed for exceptional sound conduction, this set of stethoscope features up-to-date profile, high portability and a wide range of colors. The stethoscope is guaranteed for 2 years in use normally cases. Model NO.: KS-220A Dual Head aluminum alloy stethoscope Packing: colorful box Company: Wuxi Kaishun Medical Appliance Factory