Brownells .35 Cal/.38 Caliber #8-32 Male Bore Mop, Pack of 12

This wool mop delivers classic cleaning performance. Virgin wool holds ample fluid for even bore coating and its natural springiness helps it mold to rifling. The looped brass shank ensures gentle, scratch-free use. Material composition includes wool fibers, brass shank and precision-engineered coupling components for enhanced durability and performance Length is 3.27 inches, thread size is 8-32