Brownells .40 Cal/10mm #8-32 Male Bore Mop, Pack of 3

Give your firearm a classic clean with this virgin wool mop. It soaks up bore cleaner or oil for thorough application, follows rifling easily and uses brass fittings that protect against any damage to the bore. 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