The DOUBLE-TUFF™ BORE BRUSH is designed with extra-thick, kinked, phosphor bronze wire for tough scrubbing of bores.
It is effective for removing stubborn carbon deposits without scratching the bore.
This pack includes 12 brushes specifically made for .375 caliber rifles with 8-32 male threads, except for .54 and .58 calibers which have 10-32 male threads.