Abstract: The invention relates to a carrier device for hand tools for use in dental work. The carrier device incorporates holders for the tools and a supply for supplying pressurized air, water and/or electrical power to the tools. In accordance with the invention a magazine is arranged to carry the tools, and is movable in a manner to enable a selected tool to be moved to a pick-up station. The supply according to the invention comprises a single, flexible supply conduit incorporating channels for pressurized air, water and/or electrical power, and the tools and the supply conduit are provided with couplings for connecting a selected tool to the supply conduit in the pick-up station.