Breakthrough Clean Phosphor Bronze Brush, Brkthru Bt-20gpbbb 20g Phosphorus Brz Bore Brsh

This durable phosphorous bronze bristled brush is for effective cleaning without damaging your bore.The twisted brass core keeps brush rigid and has a deeper cleaning action than nylon brushes.The brush has a standard #8-32 thread.

Thread Pattern: 5/16-27
Bristle Type: Bronze
Material: Brass/Bronze