Redding Titanium Nitride Neck Bushings are heat treated steel bushings with a Titanium Nitride coating to increase surface hardness and reduce friction.
The bushings are available in a range from .185" through .368" in .001" increments, with the part number (#RD76XXX) indicating the specific size.
These neck bushings have a diameter of .264 inches, tailored for precision reloading.