Tool Presetters featured by us: Tool Wall software works with any tool presetter and sends offset data to your CNC mills. No database required. Download the program for free! A Tool Presetter that is connected to Tool Wall Data via an RS232 connection uploads the new measured value directly into the “New Value” field. This new value is then taken over by Tool Wall Data by tapping the “Save” button on the touch screen computer. SIMPLE, SAVE and FAST ! Economy RS232 No Contact CNC Tool Presetter