This small bore universal cleaning kit is for small caliber rim fire rifles and pistols. It works well on air guns, too. It has the right parts for a quick, easy clean and is packaged in a durable re-usable clamshell for easy storage. Contents include: 3 solid brass rods (.17 caliber diameter) 1 .17 caliber wire brush 1 .17 caliber mop 1 .22 caliber wire brush 1 .17 caliber solid brass jag 1 .22 caliber slot tip for cleaning patches 1 brush adaptor for .22 caliber and large brushes 1 polishing cloth 25 cleaning patches 1 PSH handle