A tool transfer device for displacing one or multiple tools , in particular bending tools, in a guide rail , comprising: - at least one longitudinal push and pull transfer device for displacing the tool(s) , wherein the push and pull transfer device has a tool-side end and a tool-remote end, and wherein a channel for a supply line is formed in or on the push and pull transfer device , - a receptacle , which comprises at least one, preferably spirally extending, guide for retracting the push and pull transfer device , - at least one supply line , wherein a first section of the supply line extends in the channel of the push and pull transfer device , characterized in that the guide comprises a longitudinal opening extending along the guide extension, and a second section of the supply line extends outside the push and pull transfer device and outside the guide of the receptacle , and the supply line , between the first section and the second section , exits the channel at an exit point , which is arranged in a region of the push and pull transfer device which region is located in the guide of the receptacle , and the supply line , between the first section and the second section , preferably in the region of the exit point , exits the guide of the receptacle through the longitudinal opening , and the push and pull transfer device comprises, in the region of its tool-side end, a coupling device , connected to the supply line , for coupling a tool to the push and pull transfer device and/or an effector, connected to the supply line , for acting on a tool , in particular an adjustment device for carrying out a tool adjustment, and the exit point , at which the supply line exits the channel , is formed in the push and pull transfer device in the region of the tool-remote end of the push and pull transfer device . - at least one longitudinal push and pull transfer device for displacing the tool(s) , wherein the push and pull transfer device has a tool-side end and a tool-remote end, and wherein a channel for a supply line is formed in or on the push and pull transfer device , - a receptacle , which comprises at least one, preferably spirally extending, guide for retracting the push and pull transfer device , - at least one supply line , wherein a first section of the supply line extends in the channel of the push and pull transfer device , the guide comprises a longitudinal opening extending along the guide extension, and a second section of the supply line extends outside the push and pull transfer device and outside the guide of the receptacle , and the supply line , between the first section and the second section , exits the channel at an exit point , which is arranged in a region of the push and pull transfer device which region is located in the guide of the receptacle , and the supply line , between the first section and the second section , preferably in the region of the exit point , exits the guide of the receptacle through the longitudinal opening , and the push and pull transfer device comprises, in the region of its tool-side end, a coupling device , connected to the supply line , for coupling a tool to the push and pull transfer device and/or an effector, connected to the supply line , for acting on a tool , in particular an adjustment device for carrying out a tool adjustment, and the exit point , at which the supply line exits the channel , is formed in the push and pull transfer device in the region of the tool-remote end of the push and pull transfer device . <EOS>