Omega Products ER11 Imperial Collet is a precision tool holder designed for imperial-sized cutting tools and ER11 collet chucks. It’s a trusted choice for engineers, buyers, tradespeople, hobbyists, and DIY enthusiasts who need dependable accuracy in milling, drilling, and engraving tasks, featuring a 10-micron run-out for exceptional precision. 10-Micron Run-Out: Delivers ultra-tight alignment for accurate tooling, minimizes deflection, improves surface finish and ensures repeatable results. ER11 Imperial Compatibility: Specifically designed to grip imperial-sized tools securely within ER11 chucks, enabling quick, confident tool changes. Durable, Precision-Engineered Construction: Built from high-grade material with tight tolerances to resist wear and maintain accuracy across demanding jobs. When you choose the Omega ER11 Imperial Collet, you gain consistent concentricity, faster setups, and reduced scrap thanks to tight tolerances and reliable clamping. The secure grip supports higher-speed machining and smoother finishes, while its durable construction stands up to continuous use in busy workshops. Ideal for shops and home setups alike, it helps you complete projects on time with reliable, repeatable results.