The Omega Products Standard Reduction Sleeve is a precision accessory for slotted boring bars. With an outer diameter of 20 mm and an inner diameter of 12 mm, it provides a secure, repeatable interface that helps you achieve consistent tool alignment in milling and drilling operations. Designed for versatility in busy workshops, the sleeve’s slotted design accommodates a range of slotted boring bars, reducing setup time and helping you maintain accurate cuts across projects. Precise, slotted-fit design: Ensures secure engagement with compatible slotted boring bars for consistent machining accuracy and reduced runout. Durable construction: Built from high-quality materials to resist wear and maintain tolerance through repeated use. Versatile compatibility and easy setup: Fits a range of slotted boring bars, enabling quick tool changes and minimizing downtime. This reduction sleeve delivers a repeatable, reliable interface that supports precise tool engagement and stable tolerances across jobs. It helps streamline setup, reduce downtime, and improve finish quality, giving you confidence in every project.