These blended wool mops and swabs mop up oil, leftover solvent, debris, and other moisture to protect the bore of your favorite shotgun. These mops/swabs are an important step in the overall gun-cleaning process to ensure accuracy at the range and in the field. Features precise brush diameters to assure complete bore coverage. Blended wool minimizes lint buildup. Looped core and tip protect muzzle, chamber, and rifling.