A complete tubing repair kit for your old broken or worn out tubing. Kit includes new tubing, binaural headset(the metal tubes)and soft seal earpieces. This kit is for Littmann® models: Master Cardiology, Cardiology II, Cardiology II S.E., Cardiology III and Cardiology IV stethoscopes. This tubing will fit only Littmann® stethoscopes. Length 27", Color Black.