http://www.snapdeal.com/product/pulse-wave-paediatone2-al-stethoscope/488766 Brand: Pulse Wave Type: Medical Instrument Light weight Aluminium chest piece construction Epoxy powder coated screw-on-ring to retain diaphragm Excellent Acoustic Diaphragm PVC ear tips for the ultimate in wearing comfort Spare Diaphragm and ear tips included Single Lumen tubing available Includes ID Tag Three Years Warranty Product code: EHL-Paediatone2