1-NYLON 1-BRONZE 8-32 THREAD
FEATURES-For calibers: .338, .340 .35, .357-8-32mm thread size-2" brush length-Superior construction-Precision thread with no weak undercut-Tufcor® proprietary core wire that is corrosive resistant, has a tighter twist for better bristle retention, and can be used with all firearm cleaning chemicals-Size stamped on size and color coded wires