Otis Technology Cotton Swabs & Pipe Cleaners Combo Pack A pack of cotton swaps and pipe cleaners to help clean hard to reach areas in your firearms. The gun cleaning swabs feature a thick, absorbent cotton swab on a strong 6” wooden handle. Excellent for precision cleaning and detail work. The 6” long and 1/8” diameter pipe cleaners are composed of a flexible wire core and absorbent cotton bristles. Perfect for cleaning gas tubes and other hard to reach areas of your firearm. Each pack comes with 100 cotton swabs and 50 pipe cleaners.