Redding Titanium Nitride Neck Bushings feature a hard Titanium Nitride coating to increase surface hardness and reduce sizing friction.
These bushings come in a range of sizes from .185" through .368" in .001" increments, with the specific size indicated by the last three digits of the part number.
The product diameter is .253", and it is manufactured by Redding, categorized under Neck Size Bushings.