The Redding Titanium Nitride Neck Sizing Bushing in .334 diameter is precision-engineered for reloading applications featuring heat-treated steel construction with a titanium nitride coating for enhanced surface hardness and reduced friction.Redding Titanium Nitride Neck Sizing Bushing - .334 diameterHeat-treated steel construction for durabilityTitanium nitride coating reduces friction during sizingProvides precise neck tension for bullet retentionCompatible with calibers from .17 to .338Prevents excessive resizing while maintaining proper fitEssential for precision reloaders seeking consistent neck tension and optimal bullet seating this bushing delivers the exact amount of sizing needed for reliable ammunition performance without over-working brass cases.