A system for preparing a graft vessel for anastomosis includes one or more tools held within a functional package. The package has multiple recesses and can be sealed and sterilized along with its contents. The recesses are used to hold one or more tools for preparing a graft vessel for anastomosis. Additionally, the package includes one or more recesses or other features molded into it that allow for storing a graft vessel in a biocompatible fluid such as blood or saline solution, for moving one or more tools relative to one another, or for performing other functions.