Omega Products Standard Reduction Sleeve for Slotted Boring Bars is a precision adapter designed to deliver reliable, repeatable performance in metalworking and machining tasks. It bridges between your slotted boring bar and tooling components, helping you achieve tight tolerances and consistent results. Ideal for engineers, technicians, and hobbyists who value accuracy with straightforward setup. With an outside diameter of 25 mm and an inside diameter of 16 mm, this reduction sleeve ensures a secure, true-fitting interface. Crafted from high-quality materials, it is built to endure daily workshop use and maintain precise alignment through many cycles of setup and cutting. The slotted design adds versatility, making it compatible with a range of slotted boring bars for flexible configurations. Precise, repeatable fit for slotted boring bars: The design delivers accurate alignment and consistent results, reducing setup time and scrap on each job. Durable, high-quality materials: Built to withstand daily shop use, resist wear, and hold tolerance over long service life. Versatile and easy to match: The slotted sleeve works with a range of slotted boring bars, simplifying inventory and enabling quick tool changes. This reduction sleeve helps you streamline setups, minimize runout, and improve surface finish across a variety of machining projects. By delivering a solid, dependable interface between your boring bar and tooling, it supports faster changeovers, steadier cuts, and more predictable results—every time you reach for it in the shop.