Otis Technology All-Caliber Cleaning Patches are an excellent cleaning accessory that work equally well with virtually any size weapon. Every firearm ranging from .25 caliber rifles to 12/10 gauge shotguns can be cleaned using this Otis Technology cleaning kit. Otis All Caliber Patches can be used up to six times and are 100% cotton, making them highly absorbent with all sorts of solvents and lubricants. These unique cleaning kits offer 360 degrees of cleaning coverage and can be attached to any cleaning rod with a slotted tip. Depending on your needs, you can purchase these universal patches in 100, 1000, or 10,000 count packs. Otis Technology All-Caliber Patches are the universal cleaning patches that don't have to be cut down or measured for size. This cleaning accessory makes a great gift for the hunter or sport shooter in your life..