Abstract: In a tool for cutting up coke in containers, including a housing mounted on a drill stem in the operating condition, and wherein at least one cutting nozzle for cutting and a boring nozzle for boring coke by means of a water jet, and a switching apparatus for controlling the feeding of pressurized water flowing through the drill stem and the housing are arranged, wherein the switching apparatus for switching the tool includes a linearly moveable switching element, a driving apparatus and a control apparatus, which is rotatable about the longitudinal axis of the housing as a function of a change of the water pressure by the driving apparatus to switch a valve to distribute the water and to pass it on, wherein depending on each angular position of the control apparatus the flow path of the water to the boring nozzle or the flow path to the cutting nozzle is free or obstructed, the switching apparatus is arranged in the housing of the tool above the area in which a separation of the supply path of the water is p