Redding's Titanium Nitride Neck Bushings are heat treated steel bushings with a Titanium Nitride coating to increase surface hardness and reduce friction during sizing.
The bushings are available in sizes ranging from .185" through .368" in .001" increments, catering to a variety of sizing needs.
The specific product, with a diameter of .341", is part of Redding's extensive Neck Size Bushings category, designed for precision reloading.