The Redding Titanium Nitride Neck Bushing features a precision .326 diameter with advanced titanium nitride coating for superior performance and durability.Redding Titanium Nitride Neck Bushing.326 diameter specificationTitanium nitride coating for enhanced wear resistancePrecision machined for consistent neck tensionProfessional-grade reloading componentEssential for precision reloaders seeking consistent neck tension and improved case life this bushing delivers the accuracy and reliability Redding is known for in competitive shooting and hunting applications.