ClikSTAR is a reusable pen for the injection of insulin. ClikSTARcan only be used with 3-ml (300 units) insulin cartridges (U-100) from Sanofi-Aventis. ClikSTARis available in different colours. If you use different types of insulin, you should use a different colour pen for each insulin. This package contains one Silver ClikSTAR in a carry case. Insulin cartridges are available seperately. Recommended needles are the BD microfine (BD Consumer Healthcare), Penfine (Ypsomed AG) and Unifine (Owen Mumford) needles. Allows 1-unit dose adjustment. Maximum 80 unit delivery.