This 20 count of nylon all-purpose receiver brushes are double ended with one end for large surface scrubbing and the smaller end for precision cleaning. With nylon bristles, these brushes remove carbon and powder residue but won't scratch your firearm finish. Great for everyday use and can be used on a multitude of surfaces including wood. The brush handles are available in the signature Shooter's Choice red. Arrives in a reusable screw top canister. -large surface scrubbing -precision cleaning -remove carbon & powder residue -will not scratch firearm finish