The Reishauer Setup Control Ring Pinion 423021 03 NR.5 is a high-quality metalworking supply designed for CNC machining and manufacturing processes. Made by the reputable brand Reishauer, this product provides precise control and setup for industrial machinery, ensuring accurate and efficient production. With its durable construction and reliable performance, this ring pinion is a valuable tool for businesses in the manufacturing industry looking to maintain quality control and streamline their operations.