Erler Zimmer Training Arm for Intravenous Injection and InfusionSpecially developed for the Swiss army, this model offers the possibility of practicing blood sampling, injection and infusion. Two injection sites, one on the elbow and the other on the lower arm, allow palpation of the vein under the skin and realistic injection. Injection sites, vein and skin can be exchanged. Highly economically priced model, particularly suited to group training. All individual components are available separately.