Essential instrument for tool setting and adjustments: the ZSDQ02 ZSDQ04 ZSDQ03 Digital Tool Setter is designed for machinists, technicians, and engineers who work with tool setting tasks and adjustments. precision with reliable measurements: this tool setter delivers accurate results with protections that help maintain reliable measurements in a wide range of workshop environments. Clear display and easy operation: features a clear readout and user friendly controls, coupled with precision sensing to ensure accuracy down to the finest detail. Robust aluminum alloy construction: built from aluminum alloy for durability, this Digital Tool Setter is a robust addition to your collection of machine accessories, supporting optimum performance and efficiency. Use scenario: pre job setup in milling or drilling tasks to establish accurate tool length offsets before production begins, reducing trial runs and setup time. Use scenario: tool changes on CNC equipment where quick re verification of tool length offsets is required to maintain consistent part tolerances. Use scenario: calibration and maintenance workflows where the tool setter serves as a reference for verifying other measuring instruments and ensuring ongoing accuracy.